sensor INFINITI M35 2007 Factory Owner's Manual

TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
ACS-37
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Revision: 2007 April2007 M35/M45
1. CHECK FUSE
Check if the fuse is blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2. CHECK ICC SYSTEM DISPLAY
Check if dot matrix LCD in the combination meter illuminates. Refer to DI-17, "
Self-Diagnosis Mode of Combi-
nation Meter" .
OK or NG
OK >> GO TO 3.
NG >> Check combination meter. Refer to DI-18, "
HOW TO PERFORM TROUBLE DIAGNOSIS" .
3. CHECK POWER SUPPLY CIRCUIT FOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC sensor integrated unit connector.
3. Turn ignition switch ON.
4. Check voltage between ICC sensor integrated unit harness con-
nector and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace ICC sensor integrated unit power sup-
ply harness.
4. CHECK GROUND CIRCUIT FOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Check continuity between ICC sensor integrated unit harness
connector and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace ICC sensor integrated unit ground har-
ness.
Unit Power source Fuse No.
ICC sensor integrated unit Ignition switch ON or START 82
Terminals
Vo l ta g e
(Approx.) (+)
(–)
ICC sensor integrated
unit connectorTe r m i n a l
E61 1 Ground Battery voltage
PKIB8375E
ICC sensor integrated
unit connectorTerminal
GroundContinuity
E61 4 Yes
PKIB8376E

ACS-38
[ICC]
TROUBLE DIAGNOSIS - GENERAL DESCRIPTION
Revision: 2007 April2007 M35/M45
5. CHECK CONNECTOR FOR ICC SENSOR INTEGRATED UNIT
1. Check terminals for bend and looseness.
2. Securely connect ICC sensor integrated unit connector again.
3. Perform self-diagnosis without CONSULT-II. Refer toACS-35, "
WITHOUT CONSULT-II" .
Can self
-diagnosis be performed?
YES >> Check connector. (Check connector housing for disconnected, loose, bent, and collapsed termi-
nals. If any malfunction is detected, repair applicable part.)
NO >> GO TO 6.
6. CHECK ICC STEERING SWITCH
Check ICC steering switch. Refer to ACS-69, "
ICC Steering Switch" .
OK or NG
OK >> GO TO 7.
NG >> Replace ICC steering switch.
7. CHECK HARNESS BETWEEN ECM AND ICC STEERING SWITCH
1. Turn ignition switch OFF.
2. Disconnect ECM connector.
3. Check resistance between ECM harness connector.
4. Check continuity between ECM harness connector and ground.
OK or NG
OK >> GO TO 8.
NG >> Repair or replace harness between ECM and ICC steer-
ing switch.
8. CHECK CONNECTOR FOR ECM
1. Check terminals for bend and looseness.
2. Securely connect ECM connector again.
3. Perform self-diagnosis without CONSULT-II. Refer to ACS-35, "
WITHOUT CONSULT-II" .
Can self
-diagnosis be performed?
YES >> Check connector. (Check connector housing for disconnected, loose, bent, and collapsed termi-
nals. If any malfunction is detected, repair applicable part.)
NO >> GO TO 9.
ECM
connectorTerminal ECM
connectorTerminal ConditionResis-
tance
(Approx.)
F108 67 M71 99When MAIN switch
pressed0 Ω
When MAIN switch
released5.5 kΩ
PKIB8377E
ECM connector Terminal
GroundContinuity
F108 67 No
M71 99 No
PKIB8378E

ACS-40
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMSPFP:25962
Diagnostic Trouble Code (DTC) ChartNKS004CZ
×: Applicable
DTC
No.CONSULT-II
screen termsICC
system
warning
lampFail-safe
Malfunctions detected where...Refer-
ence
page Vehicle-
to-
vehicle
distance
control
modeConven-
tional
(fixed
speed)
cruise
control
modeBrake
assist
(with
preview
function)
0CONTROL UNIT
[C1A00]××××

ICC sensor integrated unit internal
malfunction.ACS-42
1POWER SUPPLY CIR
[C1A01]××××

ICC sensor integrated unit power
supply voltage is excessively low
(less than 8V).ACS-42
2POWER SUPPLY CIR 2
[C1A02]××××

ICC sensor integrated unit power
supply voltage is excessively high
(more than 19V).ACS-42
3VHCL SPEED SE CIRC
[C1A03]××××

Wheel sensor malfunction.

ABS actuator and electric unit
(control unit) malfunction.

A/T vehicle speed sensor mal-
function.

TCM malfunction.

ICC sensor integrated unit mal-
function.ACS-43
4ABS/TCS/VDC CIRC
[C1A04]××××
VDC/TCS/ABS system malfunc-
tion.ACS-43
5BRAKE SW/STOP L SW
[C1A05]××××

Stop lamp switch harness is open
or shorted.

Stop lamp switch is stuck to OFF.

ICC brake switch or stop lamp
switch is stuck to ON.

ECM malfunction.

ABS actuator and electric unit
(control unit) malfunction.ACS-44
6OPERATION SW CIRC
[C1A06]×××

ICC steering switch harness or
spiral cable is open or shorted.

ICC steering switch malfunction.ACS-48
12LASER BEAM OFFCNTR
[C1A12]×× ×
Laser beam of ICC sensor inte-
grated unit is off the aiming point.ACS-49
13STOP LAMP RLY FIX
[C1A13]×× ×

Normally open terminal of ICC
brake hold relay is stuck.

Improper installation of ICC brake
switch or stop lamp switch.

ICC brake switch malfunction.

ECM malfunction.

ABS actuator and electric unit
(control unit) malfunction.ACS-50

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-41
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Revision: 2007 April2007 M35/M45
14ECM CIRCUIT
[C1A14]××××

ECM malfunction.

Accelerator pedal position sensor
malfunction.

ICC sensor integrated unit mal-
function.ACS-56
15GEAR POSITION
[C1A15]×××

TCM malfunction.

A/T turbine revolution sensor mal-
function.

A/T vehicle speed sensor mal-
function.ACS-57
16RADAR STAIN
[C1A16]×× ×
ICC sensor integrated unit body
window has contamination.ACS-58
18LASER AIMING INCMP
[C1A18]×× ×
Laser beam aiming of ICC sensor
integrated unit is not adjusted.ACS-58
21UNIT HIGH TEMP
[C1A21]×× ×
Temperature around ICC sensor
integrated unit is excessively high.ACS-58
24NP RANGE
[C1A24]×××

Park/neutral position switch mal-
function.

TCM malfunction.ACS-59
25 SHIFT RANGE IND
[C1A25]×××
TCM malfunction.ACS-59
26ECD MODE MALF
[C1A26]×××

ABS actuator and electric unit
(control unit) malfunction.

ICC sensor integrated unit mal-
function.ACS-60
27ECD PWR SUPLY CIR
[C1A27]××××

ABS actuator and electric unit
(control unit) power supply voltage
is excessively low.

ABS actuator and electric unit
(control unit) malfunction.ACS-60
55NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.
No malfunction item has been
detected. —
100CAN COMM CIRCUIT
[U1000]××××

ICC sensor integrated unit detects
CAN communication malfunction.ACS-61
11 0CONTROL UNIT (CAN)
[U1010]××××

ICC sensor integrated unit detects
malfunction by CAN initial diagno-
sis.ACS-61
DTC
No.CONSULT-II
screen termsICC
system
warning
lampFail-safe
Malfunctions detected where...Refer-
ence
page Vehicle-
to-
vehicle
distance
control
modeConven-
tional
(fixed
speed)
cruise
control
modeBrake
assist
(with
preview
function)

ACS-42
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
DTC 0 CONTROL UNITNKS004D0
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if any item other than “CONTROL UNIT [C1A00]” (DTC 0) is indicated on self-diagnosis display.
Is any indicated?
YES >> 1. Repair or replace applicable item. Refer to ACS-40, "Diagnostic Trouble Code (DTC) Chart" .
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 1 POWER SUPPLY CIR, DTC 2 POWER SUPPLY CIR 2NKS004D1
1. CHECK CONNECTOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC sensor integrated unit connector, and connect it securely again.
3. Erase DTC and perform ICC running test. Then perform self-diagnosis of ICC system again.
4. Check if “POWER SUPPLY CIR [C1A01]” (DTC 1) or “ POWER SUPPLY CIR 2 [C1A02]” (DTC 2) is indi-
cated in self-diagnosis item in the display.
Is malfunction indicated?
YES >> GO TO 2.
NO >> Poor connector connection
1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-
minals. If any malfunction is detected, repair applicable part.)
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
2. CHECK POWER SUPPLY CIRCUIT FOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC sensor integrated unit connector.
3. Turn ignition switch ON.
4. Check voltage between ICC sensor integrated unit harness con-
nector and ground.
OK or NG
OK >> GO TO 3.
NG >> 1. Repair or replace ICC sensor integrated unit power
supply harness or fuse.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Terminals
Voltag e
(Approx.) (+)
(–)
ICC sensor integrated
unit connectorTerminal
E61 1 Ground Battery voltage
PKIB8375E

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-43
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Revision: 2007 April2007 M35/M45
3. CHECK GROUND CIRCUIT FOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Check continuity between ICC sensor integrated unit harness
connector and ground.
OK or NG
OK >> 1. Replace ICC sensor integrated unit, and adjust laser
beam aiming.
2. Erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG >> 1. Repair or replace ICC sensor integrated unit ground harness.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 3 VHCL SPEED SE CIRCNKS004D2
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “ABS/TCS/VDC CIRC [C1A04]” (DTC 4) or “CAN COMM CIRCUIT [U1000]” (DTC 100) other
than “VHCL SPEED SE CIRC [C1A03]” (DTC 3) is indicated in self-diagnosis item in the display.
Is any indicated?
YES >> 1. Repair or replace applicable item. Refer to ACS-40, "Diagnostic Trouble Code (DTC) Chart" .
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 2.
2. CHECK A/T VEHICLE SPEED SENSOR
With CONSULT-II
With “ICC” “DATA MONITOR”, check if “VHCL SPD AT” operates normally.
OK or NG
OK >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG >> 1. Perform “A/T” self-diagnosis. Refer to AT- 9 0 , "
CONSULT-II Function (A/T)" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
DTC 4 ABS/TCS/VDC CIRCNKS004D3
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC100) other than “ABS/TCS/VDC CIRC [C1A04]” (DTC 4) is
indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
ICC sensor integrated
unit connectorTerminal
GroundContinuity
E61 4 Yes
PKIB8376E

ACS-44
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
2. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ABS” self-diagnosis. Refer to BRC-23, "
CONSULT-II Functions (ABS)" .
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 5 BRAKE SW/STOP L SWNKS004D4
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “BRAKE SW/STOP L SW [C1A05]” (DTC
5) is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
2. CHECK ICC BRAKE SWITCH WITH ICC DATA MONITOR
With CONSULT-II
With “ICC” “DATA MONITOR”, check if “BRAKE SW” operates normally.
OK or NG
OK >> GO TO 3.
NG >> GO TO 6.
3. CHECK STOP LAMP SWITCH WITH ABS DATA MONITOR
With CONSULT-II
With “ABS” “DATA MONITOR”, check if “STOP LAMP SW” operates normally.
OK or NG
OK >> GO TO 4.
NG >> GO TO 11.
4. PERFORM ECM SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ENGINE” self-diagnosis. Refer to EC-123, "
CONSULT-II Function (ENGINE)" (for VQ35DE) or
EC-826, "
CONSULT-II Function (ENGINE)" (for VK45DE).
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> GO TO 5.

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
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Revision: 2007 April2007 M35/M45
5. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ABS” self-diagnosis. Refer to BRC-23, "
CONSULT-II Functions (ABS)" .
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
6. CHECK ICC BRAKE SWITCH INSTALLATION AND ADJUSTMENT
Check ICC brake switch for proper installation, and adjust the switch if necessary. Refer to BR-6, "
BRAKE
PEDAL" .
OK or NG
OK >> GO TO 7.
NG >> 1. Adjust ICC brake switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
7. CHECK ICC BRAKE SWITCH
Check ICC brake switch. Refer to ACS-69, "
ICC Brake Switch and Stop Lamp Switch" .
OK or NG
OK >> GO TO 8.
NG >> 1. Replace ICC brake switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
8. CHECK ICC BRAKE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ICC brake switch connector.
3. Turn ignition switch ON.
4. Check voltage between ICC brake switch harness connector
and ground.
OK or NG
OK >> GO TO 9.
NG >> 1. Repair or replace harness or fuse.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Terminals
Voltage
(Approx.) (+)
(–)
ICC brake switch
connectorTe r m i n a l
E111 1 Ground Battery voltage
PKIB9335E

ACS-46
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
9. CHECK HARNESS BETWEEN ICC BRAKE SWITCH AND ECM
1. Turn ignition switch OFF.
2. Disconnect ECM connector.
3. Check continuity between ICC brake switch harness connector
(A) and ECM harness connector (B).
4. Check continuity between ICC brake switch harness connector
(A) and ground.
OK or NG
OK >> GO TO 10.
NG >> 1. Repair or replace harness between ICC brake switch and ECM.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
10. PERFORM ECM SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ENGINE” self-diagnosis. Refer to EC-123, "
CONSULT-II Function (ENGINE)" (for VQ35DE) or
EC-826, "
CONSULT-II Function (ENGINE)" (for VK45DE).
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
11 . CHECK STOP LAMP SWITCH INSTALLATION AND ADJUSTMENT
Check stop lamp switch for proper installation, and adjust the switch if necessary. Refer to BR-6, "
BRAKE
PEDAL" .
OK or NG
OK >> GO TO 12.
NG >> 1. Adjust stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
12. CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to ACS-69, "
ICC Brake Switch and Stop Lamp Switch" .
OK or NG
OK >> GO TO 13.
NG >> 1. Replace stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
AB
Continuity
Connector Terminal Connector Terminal
E 111 2 M 7 1 1 0 8 Ye s
A
GroundContinuity
Connector Terminal
E 111 2 N o
PKIB9336E

ACS-48
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
DTC 6 OPERATION SW CIRCNKS004D5
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “OPERATION SW CIRC [C1A06]” (DTC
6) is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
2. CHECK CONNECTOR FOR ECM
1. Turn ignition switch OFF.
2. Disconnect ECM connector, and connect it securely again.
3. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
4. Check if “OPERATION SW CIRC [C1A06]” (DTC 6) is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> GO TO 3.
NO >> Poor connector connection
1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-
minals. If any malfunction is detected, repair applicable part.)
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
3. CHECK ICC STEERING SWITCH
1. Turn ignition switch OFF.
2. Check ICC steering switch. Refer to ACS-69, "
ICC Steering Switch" .
OK or NG
OK >> GO TO 4.
NG >> 1. Replace ICC steering switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.