Front lamp INFINITI FX35 2005 Service Manual

DESCRIPTION ACS-7
[ICC]
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Components DescriptionAKS00C8D
CAN CommunicationAKS00C8E
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tric control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN COMMUNICATION UNIT
Refer to LAN-30, "CAN Communication Unit" .
Component Vehicle-to-
vehicle
distance
control mode Conventional
(fixed speed) cruise
control mode Brake assist
(with pre-
view func- tion) Description
ICC unit ××× Operates electric throttle control actuator and brake
booster based on that sensor signals and CAN commu-
nication data, then controls vehicle distance.
ICC sensor ×× Irradiates laser beam, and receives reflected laser
beam to measure distance from preceding vehicle.
ECM ××× Transmits throttle position signal and ICC steering
switch signal to ICC unit through CAN communication.
ABS actuator and electric
unit (control unit) ×××
Transmits wheel speed sensor signal to ICC unit
through CAN communication.
Brake pressure sensor ×× Detects fluid pressure in master cylinder.
Brake booster ×× Adjusts brake fluid pressure, based on command from
ICC unit.
BCM × Transmit front wiper request signal to ICC unit through
CAN communication.
TCM ×× Transmits gear position signal and output shaft revolu-
tion signal to ICC unit through CAN communication.
Unified meter and A/C amp. ××× Receives ICC system display signal, ICC warning lamp
signal and buzzer output signal from ICC unit through
CAN communication.
ICC brake switch, stop
lamp switch ××× Transmit operating signal to ICC unit when touching
brake pedal. ICC unit cancels cruise system at driver's
brake operation.
Parking brake switch ×× The cruise system is cancelled when applied.

ACS-32
[ICC]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Revision: 2005 July 2005 FX
SELF-DIAGNOSTIC RESULTS
For details, refer to ACS-41, "Diagnostic Trouble Code (DTC) Chart" .
DATA MONITOR
Operation Procedure
1. Touch “DATA MONITOR” on “SELECT DIAG MODE” screen. Refer to ACS-30, "
CONSULT-II BASIC OPERATION" .
2. Touch any of “ECU INPUT SIGNALS”, “MAIN SIGNALS” and “SELECTION FROM MENU” on selection screen.
3. Touch “START”.
4. Display the data monitor.
5. If necessary, touch “COPY” in turn, and print data.
Monitored Item
× : Applicable
PKIB0112E
Monitored Item
[unit] ECU INPUT
SIGNALS MAIN
SIGNALS SELEC-
TION FROM MENU Description
VHCL SPEED SE
[km/h] or [mph] ××× Indicates vehicle speed calculated from ICC unit through CAN
communication [ABS actuator and electric unit (control unit)
transmits wheel speed sensor signal through CAN communica-
tion].
SET VHCL SPD
[km/h] or [mph] ×× Indicates set vehicle speed memorized in ICC unit.
THRTL OPENING
[%] ××× Indicates throttle angle read from ICC unit through CAN commu-
nication (ECM transmits throttle angle through CAN communi-
cation).
ENGINE RPM
[rpm] ×× Indicates engine speed read from ICC unit through CAN com-
munication (ECM transmits engine speed through CAN commu-
nication).
DISTANCE ADJ
[SHOR/MID/LONG] ×××
Indicates set distance memorized in ICC unit.
WIPER SW
[OFF/LOW/HIGH] ×× Indicates wiper [OFF/LOW/HIGH] status (BCM transmits front
wiper request signal through CAN communication).
MAIN SW
[ON/OFF] ××× Indicates [ON/OFF] status as judged from ICC steering switch
signal (ECM transmits ICC steering switch signal through CAN
communication).
SET/COAST SW
[ON/OFF] ××× Indicates [ON/OFF] status as judged from ICC steering switch
signal (ECM transmits ICC steering switch signal through CAN
communication).
CANCEL SW
[ON/OFF] ××× Indicates [ON/OFF] status as judged from ICC steering switch
signal (ECM transmits ICC steering switch signal through CAN
communication).
RESUME/ACC SW
[ON/OFF] ××× Indicates [ON/OFF] status as judged from ICC steering switch
signal (ECM transmits ICC steering switch signal through CAN
communication).
CRUISE OPE
[ON/OFF] ×× Indicates whether controlling or not (ON means “controlling”).
BRAKE SW
[ON/OFF] ××× Indicates [ON/OFF] status as judged from ICC brake switch sig-
nal.
STOP LAMP SW
[ON/OFF] ×××
Indicates [ON/OFF] status as judged from stop lamp switch sig-
nal.

AT-3
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CONSULT-II Reference Value .............................
. 154
On Board Diagnosis Logic .................................. . 154
Possible Cause ................................................... . 154
DTC Confirmation Procedure .............................. . 154
Diagnostic Procedure .......................................... . 155
DTC P1759 FRONT BRAKE SOLENOID VALVE
FUNCTION ............................................................. . 156
Description .......................................................... . 156
CONSULT-II Reference Value ............................. . 156
On Board Diagnosis Logic .................................. . 156
Possible Cause ................................................... . 156
DTC Confirmation Procedure .............................. . 156
Diagnostic Procedure .......................................... . 157
DTC P1762 DIRECT CLUTCH SOLENOID VALVE . 158
Description .......................................................... . 158
CONSULT-II Reference Value ............................. . 158
On Board Diagnosis Logic .................................. . 158
Possible Cause ................................................... . 158
DTC Confirmation Procedure .............................. . 158
Diagnostic Procedure .......................................... . 159
DTC P1764 DIRECT CLUTCH SOLENOID VALVE
FUNCTION ............................................................. . 160
Description .......................................................... . 160
CONSULT-II Reference Value ............................. . 160
On Board Diagnosis Logic .................................. . 160
Possible Cause ................................................... . 160
DTC Confirmation Procedure .............................. . 160
Diagnostic Procedure .......................................... . 161
DTC P1767 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE ................................................ . 162
Description .......................................................... . 162
CONSULT-II Reference Value ............................. . 162
On Board Diagnosis Logic .................................. . 162
Possible Cause ................................................... . 162
DTC Confirmation Procedure .............................. . 162
Diagnostic Procedure .......................................... . 163
DTC P1769 HIGH AND LOW REVERSE CLUTCH
SOLENOID VALVE FUNCTION ............................ . 164
Description .......................................................... . 164
CONSULT-II Reference Value ............................. . 164
On Board Diagnosis Logic .................................. . 164
Possible Cause ................................................... . 164
DTC Confirmation Procedure .............................. . 164
Diagnostic Procedure .......................................... . 165
DTC P1772 LOW COAST BRAKE SOLENOID
VALVE .................................................................... . 166
Description .......................................................... . 166
CONSULT-II Reference Value ............................. . 166
On Board Diagnosis Logic .................................. . 166
Possible Cause ................................................... . 166
DTC Confirmation Procedure .............................. . 166
Diagnostic Procedure .......................................... . 167
DTC P1774 LOW COAST BRAKE SOLENOID
VALVE FUNCTION ................................................ . 168
Description .......................................................... . 168
CONSULT-II Reference Value ............................. . 168
On Board Diagnosis Logic .................................. . 168
Possible Cause ................................................... . 168 DTC Confirmation Procedure ..............................
.168
Diagnostic Procedure .......................................... .169
DTC P1815 MANUAL MODE SWITCH ................. .170
Description ........................................................... .170
CONSULT-II Reference Value in Data Monitor Mode .170
On Board Diagnosis Logic ................................... .170
Possible Cause .................................................... .170
DTC Confirmation Procedure .............................. .170
Wiring Diagram — AT — MMSW ........................ .171
Diagnostic Procedure .......................................... .173
Component Inspection ......................................... .174
DTC P1841 ATF PRESSURE SWITCH 1 .............. .175
Description ........................................................... .175
CONSULT-II Reference Value ............................. .175
On Board Diagnosis Logic ................................... .175
Possible Cause .................................................... .175
DTC Confirmation Procedure .............................. .175
Diagnostic Procedure .......................................... .176
DTC P1843 ATF PRESSURE SWITCH 3 .............. .177
Description ........................................................... .177
CONSULT-II Reference Value ............................. .177
On Board Diagnosis Logic ................................... .177
Possible Cause .................................................... .177
DTC Confirmation Procedure .............................. .177
Diagnostic Procedure .......................................... .178
DTC P1845 ATF PRESSURE SWITCH 5 .............. .179
Description ........................................................... .179
CONSULT-II Reference Value ............................. .179
On Board Diagnosis Logic ................................... .179
Possible Cause .................................................... .179
DTC Confirmation Procedure .............................. .179
Diagnostic Procedure .......................................... .180
DTC P1846 ATF PRESSURE SWITCH 6 .............. .181
Description ........................................................... .181
CONSULT-II Reference Value ............................. .181
On Board Diagnosis Logic ................................... .181
Possible Cause .................................................... .181
DTC Confirmation Procedure .............................. .181
Diagnostic Procedure .......................................... .182
MAIN POWER SUPPLY AND GROUND CIRCUIT .183
Wiring Diagram — AT — MAIN ........................... .183
Diagnostic Procedure .......................................... .184
CLOSED THROTTLE POSITION AND WIDE OPEN
THROTTLE POSITION CIRCUIT ........................... .187
CONSULT-II Reference Value ............................. .187
Diagnostic Procedure .......................................... .187
BRAKE SIGNAL CIRCUIT ..................................... .188
CONSULT-II Reference Value ............................. .188
Diagnostic Procedure .......................................... .188
A/T INDICATOR CIRCUIT ...................................... .189
Description ........................................................... .189
CONSULT-II Reference Value ............................. .189
Diagnostic Procedure .......................................... .189
TROUBLE DIAGNOSIS FOR SYMPTOMS ........... .190
Wiring Diagram — AT — NONDTC ..................... .190
A/T CHECK Indicator Lamp Does Not Come On . 193
Engine Cannot Be Started in “P” or “N” Position . .194
In “P” Position, Vehicle Moves When Pushed ..... .195

PRECAUTIONS AT-7
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PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
ACS002L3
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for On Board Diagnostic (OBD) System of A/T and EngineACS002L5
The ECM has an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:

Be sure to turn the ignition switch OFF and disconnect the battery cable from the negative termi-
nal before any repair or inspection work. The open/short circuit of related switches, sensors, sole-
noid valves, etc. Will cause the MIL to light up.

Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MIL to light up due to an open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)

Be sure to route and secure the harnesses properly after work. Interference of the harness with a
bracket, etc. May cause the MIL to light up due to a short circuit.

Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MIL to light up due to a malfunction of the EGR system or fuel injection system, etc.

Be sure to erase the unnecessary malfunction information (repairs completed) from the TCM and
ECM before returning the vehicle to the customer.

A/T CONTROL SYSTEM AT-31
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TCM FunctionACS002LF
The function of the TCM is to:

Receive input signals sent from various switches and sensors.

Determine required line pressure, shifting point, lock-up operation, and engine brake operation.

Send required output signals to the respective solenoids.
CONTROL SYSTEM OUTLINE
The automatic transmission senses vehicle operating conditions through various sensors or signals. It always
controls the optimum shift position and reduces shifting and lock-up shocks.
CONTROL SYSTEM DIAGRAM
SENSORS (or SIGNALS)

TCM

ACTUATORS
PNP switch
Accelerator pedal position signal
Closed throttle position signal
Wide open throttle position signal
Engine speed signal
A/T fluid temperature sensor
Revolution sensor
Vehicle speed signal
Manual mode switch signal
Stop lamp switch signal
Turbine revolution sensor
ATF pressure switch Shift control
Line pressure control
Lock-up control
Engine brake control
Timing control
Fail-safe control
Self-diagnosis
CONSULT-II communication line
Duet-EA control
CAN system Input clutch solenoid valve
Direct clutch solenoid valve
Front brake solenoid valve
High and low reverse clutch
solenoid valve
Low coast brake solenoid valve
Torque converter clutch solenoid
valve
Line pressure solenoid valve
A/T CHECK indicator lamp
Sta r te r re l a y
Back-up lamp relay
SCIA5325E

AT-32
A/T CONTROL SYSTEM
Revision: 2005 July 2005 FX
CAN CommunicationACS004PB
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.For details, refer to LAN-30,
"CAN Communication Unit"
Input/Output Signal of TCMACS002LH
*1: Spare for vehicle speed sensor·A/T (revolution sensor)
*2: Spare for accelerator pedal position signal
*3: If these input and output signals are different, the TCM triggers the fail-safe function.
*4: Used as a condition for starting self-diagnostics; if self-diagnostics are not started, it is judged that there is some kin d of error.
*5: Input by CAN communications
*6: Output by CAN communications Control item
Line
pressure control Vehicle
speed
control Shift
control Lock-up
control Engine
brake
control Fail-safe
function (*3) Self-diag-
nostics
function
Input Accelerator pedal position signal
(*5)XXXXXXX
Vehicle speed sensor A/T
(revolution sensor) XXXXXXX
Vehicle speed sensor MTR
(*1) (*5)X
Closed throttle position signal
(*5)X (*2) X X X X (*4)
Wide open throttle position signal
(*5)XX (*4)
Turbine revolution sensor 1 X X X X X
Turbine revolution sensor 2
(for 4th speed only) XXXXX
Engine speed signals
(*5)XXXXXXX
Stop lamp switch signal
(*5)XXX X (*4)
A/T fluid temperature sensors 1, 2 X X X X X X
ASCD or
ICC Operation signal
(*5)XXX
Overdrive cancel
signal
(*5)X
Out-
put Direct clutch solenoid (ATF pres-
sure switch 5) XX XX
Input clutch solenoid (ATF pressure
switch 3) XX XX
High and low reverse clutch sole-
noid (ATF pressure switch 6) XX XX
Front brake solenoid (ATF pressure
switch 1) XX XX
Low coast brake solenoid (ATF
pressure switch 2) XX XXX
Line pressure solenoid XXXXXXX
TCC solenoid X X X
Self-diagnostics table
(*6)X
Starter relay XX

TROUBLE DIAGNOSIS AT-47
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DIAGNOSTIC WORKSHEET
Information from Customer
KEY POINTS

WHAT ..... Vehicle and A/T model

WHEN ..... Date, Frequencies

WHERE ..... Road conditions

HOW..... Operating conditions, Symptoms
Diagnostic Worksheet Chart
Customer name MR/MS Model and Year VIN
Trans. Model Engine Mileage
Malfunction Date Manuf. Date In Service Date
Frequency ❏ Continuous ❏ Intermittent ( times a day)
Symptoms ❏ Vehicle does not move. ( ❏ Any position ❏ Particular position)
❏ No up-shift ( ❏ 1st → 2nd ❏ 2nd → 3rd ❏ 3rd → 4th ❏ 4th → 5th)
❏ No down-shift ( ❏ 5th → 4th ❏ 4th → 3rd ❏ 3rd → 2nd ❏ 2nd → 1st)
❏ Lock-up malfunction
❏ Shift point too high or too low.
❏ Shift shock or slip ( ❏ N → D ❏ Lock-up ❏ Any drive position)
❏ Noise or vibration
❏ No kick down
❏ No pattern select
❏ Others
()
A/T CHECK indicator lamp Blinks for about 8 seconds. ❏ Continuously lit ❏ Not lit
Malfunction indicator lamp (MIL) ❏ Continuously lit ❏ Not lit
1 ❏ Read the item on cautions concerning fail-safe and understand the customer's complaint. AT- 4 3
2 ❏
A/T fluid inspection AT- 5 2❏ Leak (Repair leak location.)
❏ Sta t e
❏ Amount
3 ❏
Stall test and line pressure test AT- 5 2
, AT-
54❏ Stall test
❏ Torque converter one-way clutch
❏ Front brake
❏ High and low reverse clutch
❏ Low coast brake
❏ Forward brake
❏ Reverse brake
❏ Forward one-way clutch ❏
1st one-way clutch
❏ 3rd one-way clutch
❏ Engine
❏ Line pressure low
❏ Except for input clutch and direct
clutch, clutches and brakes OK
❏ Line pressure inspection - Suspected part:

AT-48
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
4 ❏
Perform all road tests and enter checks in required inspection items. AT- 5 6
4-1. Check before engine is started
AT- 5 6
❏ The A/T CHECK Indicator Lamp does come on. AT- 1 9 3 .
❏ Perform self-diagnostics. Enter checks for detected items. AT- 9 3
,AT- 1 0 3
❏ AT-106, "DTC U1000 CAN COMMUNICATION LINE" .
❏ AT-109, "
DTC P0615 START SIGNAL CIRCUIT" .
❏ AT- 11 3 , "
DTC P0700 TCM"
❏ AT- 11 4 , "DTC P0705 PARK/NEUTRAL POSITION SWITCH" .
❏ AT- 11 8 , "
DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)" .
❏ AT-123, "
DTC P0725 ENGINE SPEED SIGNAL" .
❏ AT-125, "
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE" .
❏ AT-127, "
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP)" .
❏ AT-129, "
DTC P0745 LINE PRESSURE SOLENOID VALVE" .
❏ AT-131, "
DTC P1702 TRANSMISSION CONTROL MODULE (RAM)" .
❏ AT-132, "
DTC P1703 TRANSMISSION CONTROL MODULE (ROM)" .
❏ AT-133, "
DTC P1705 THROTTLE POSITION SENSOR" .
❏ AT-136, "
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT" .
❏ AT-141, "
DTC P1716 TURBINE REVOLUTION SENSOR" .
❏ AT-143, "
DTC P1721 VEHICLE SPEED SENSOR MTR" .
❏ AT-145, "
DTC P1730 A/T INTERLOCK" .
❏ AT-148, "
DTC P1731 A/T 1ST ENGINE BRAKING" .
❏ AT-150, "
DTC P1752 INPUT CLUTCH SOLENOID VALVE" .
❏ AT-152, "
DTC P1754 INPUT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-154, "
DTC P1757 FRONT BRAKE SOLENOID VALVE" .
❏ AT-156, "
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-158, "
DTC P1762 DIRECT CLUTCH SOLENOID VALVE" .
❏ AT-160, "
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTION" .
❏ AT-162, "
DTC P1767 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE" .
❏ AT-164, "
DTC P1769 HIGH AND LOW REVERSE CLUTCH SOLENOID VALVE
FUNCTION" .
❏ AT-166, "
DTC P1772 LOW COAST BRAKE SOLENOID VALVE" .
❏ AT-168, "
DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION" .
❏ AT-170, "
DTC P1815 MANUAL MODE SWITCH" .
❏ AT-175, "
DTC P1841 ATF PRESSURE SWITCH 1" .
❏ AT-177, "
DTC P1843 ATF PRESSURE SWITCH 3" .
❏ AT-179, "
DTC P1845 ATF PRESSURE SWITCH 5" .
❏ AT-181, "
DTC P1846 ATF PRESSURE SWITCH 6" .
4-2. Check at Idle
AT- 5 7
❏ AT-194, "Engine Cannot Be Started in “P” or “N” Position" .
❏ AT-195, "
In “P” Position, Vehicle Moves When Pushed"
❏ AT-196, "In “N” Position, Vehicle Moves" .
❏ AT-197, "
Large Shock (“N” to “D” Position)" .
❏ AT-200, "
Vehicle Does Not Creep Backward in “R” Position" .
❏ AT-203, "
Vehicle Does Not Creep Forward in “D” Position" .
4-3. Cruise Test
AT- 5 8
Part 1
❏ AT-205, "
Vehicle Cannot Be Started from D1" .
❏ AT-208, "
A/T Does Not Shift: D1 → D2" .
❏ AT-210, "
A/T Does Not Shift: D2 → D3" .
❏ AT-212, "
A/T Does Not Shift: D3 → D4" .
❏ AT-215, "
A/T Does Not Shift: D4 → D5" .
❏ AT-217, "
A/T Does Not Perform Lock-up"
❏ AT-219, "A/T Does Not Hold Lock-up Condition" .
❏ AT-221, "
Lock-up Is Not Released" .
❏ AT-221, "
Engine Speed Does Not Return to Idle" .

AT-104
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
4. CHECK SELF-DIAGNOSIS CODE
Check A/T CHECK indicator lamp. Refer to AT- 1 0 4 , "
Judgement Self-diagnosis Code" .
If the system does not go into self-diagnostics. Refer to AT- 11 4 , "
DTC P0705 PARK/NEUTRAL POSITION
SWITCH" , AT- 1 7 0 , "DTC P1815 MANUAL MODE SWITCH" , AT- 1 8 7 , "CLOSED THROTTLE POSITION AND
WIDE OPEN THROTTLE POSITION CIRCUIT" , AT- 1 8 8 , "BRAKE SIGNAL CIRCUIT" .
>> DIAGNOSIS END
Judgement Self-diagnosis Code
If there is a malfunction, the lamp lights up for the time corresponding to the suspect circuit.
No. Malfunctioning item No. Malfunctioning item
1 Revolution sensor AT- 11 8
10 A/T fluid temperature sensor AT-136
2 Direct clutch solenoid valve AT- 1 5 8 , AT- 1 6 011 Turbine revolution sensor AT-141
3 Torque converter clutch solenoid valve
AT- 1 2 5 , AT-
12712 A/T interlock AT-145
4 Line pressure solenoid valve AT- 1 2 913 A/T 1st engine braking AT- 1 4 8
5 Input clutch solenoid valve AT-150 , AT-15214 Start signal AT-109
6 Front brake solenoid valve AT-154 , AT-15615 Accelerator pedal position sensor AT-133
7 Low coast brake solenoid valve AT-166 , AT-16816 Engine speed signal AT-123
8 High and low reverse clutch solenoid valve
AT-162 ,
AT- 1 6 417 CAN communication line AT-106
9 PNP switch AT- 11 4
SCIA5767E

ATC-16
PRECAUTIONS
Revision: 2005 July 2005 FX
Precautions for Leak Detection DyeAJS001XO

The A/C system contains a fluorescent leak detection dye used for locating refrigerant leaks. An ultraviolet
(UV) lamp is required to illuminate the dye when inspecting for leaks.

Always wear fluorescence enhancing UV safety goggles to protect your eyes and enhance the visibility of
the fluorescent dye.

The fluorescent dye leak detector is not a replacement for an electronic refrigerant leak detector. The fluo-
rescent dye leak detector should be used in conjunction with an electronic refrigerant leak detector (SST:
J-41995) to pin-point refrigerant leaks.

For your safety and your customer’s satisfaction, read and follow all manufacture ′s operating instructions
and precautions prior to performing the work.

A compressor shaft seal should not be repaired because of dye seepage. The compressor shaft seal
should only be repaired after confirming the leak with an electronic refrigerant leak detector (SST: J-
41995).

Always remove any remaining dye from the leak area after repairs are completed to avoid a misdiagnosis
during a future service.

Never allow dye to come into contact with painted body panels or interior components. If dye is spilled,
clean immediately with the approved dye cleaner. Fluorescent dye left on a surface for an extended period
of time cannot be removed.

Never spray the fluorescent dye cleaning agent on hot surfaces (engine exhaust manifold, etc.).

Never use more than one refrigerant dye bottle (1/4 ounce /7.4 cc) per A/C system.

Leak detection dyes for HFC-134a (R-134a) and CFC-12 (R-12) A/C systems are different. Never use
HFC-134a (R-134a) leak detection dye in CFC-12 (R-12) A/C system or CFC-12 (R-12) leak detection
dye in HFC-134a (R-134a) A/C system, or A/C system damage may result.

The fluorescent properties of the dye will remain for three years or little over unless a compressor mal-
function occurs.
IDENTIFICATION
NOTE:
Vehicles with factory installed fluorescent dye have a green label.
Vehicles without factory installed fluorescent dye have a blue label.
IDENTIFICATION LABEL FOR VEHICLE
Vehicles with factory installed fluorescent dye have this identification
label on the front side of hood.
SHA436FA