ESP TOYOTA CAMRY 2000 Service Manual PDF

A00306
135
24 6 IACVIACV closed (VSV: ON)
Throttle Valve30°
3,700 rpm
Engine speed
Throttle valve
opening angle
FI7011 FI6570
A07452
From Battery 2J2
W±B
B±Y
J20
Junction
Connector 9
AAECMACIS
12
MRELB±W
VSV for ACIS
R±Y B±Y 17
2K
2A 2F
51 2
3 4Engine Room J/B
EFI
EBJunction
Connector BB+
B±Y178
E11E7
B
B±YE01
B±W
J36 J35CC
EFI Relay
J27 J28
II3Junction Connector DI±380
± DIAGNOSTICSENGINE (1MZ±FE)
615 Author: Date:
IACV Control VSV Circuit
CIRCUIT DESCRIPTION
This circuit opens and closes the IACV (Intake Air Control Valve) in response to the engine load in order to
increase the intake efficiency (ACIS: Acoustic Control Induction System).
When the engine speed is 3,700 rpm or less and the throttle valve opening angle is 60° or more, the ECM
turns the VSV ON and closes the IACV. At all other times, the VSV is OFF, so the IACV is open.
WIRING DIAGRAM
DI08E±06

Q00200
DI±400
± DIAGNOSTICSAUTOMATIC TRANSAXLE (A140E)
635 Author: Date:
8. MANUAL SHIFTING TEST
HINT:
By this test, it can be determined whether the trouble is within
the electrical circuit or is a mechanical problem in the transaxle.
(a) Disconnect the solenoid wire.
(b) Inspect the manual driving operation.
Check that the shift and gear positions correspond to the
table below.
While driving, shift through the L, 2 and D positions.
Check that the gear change corresponds to the shift posi-
tion.
Shift PositionGear Position
DO/D
23rd
L1st
RReverse
PPawl Lock
HINT:
If the L, 2 and D gear positions are difficult to distinguish, do the
above test.
If any abnormality is found in the above test, the problem is in
the transaxle itself.
(c) Connect the solenoid wire.
(d) Clear out the DTC (See page DI±389).

Q00224
DI±448
± DIAGNOSTICSAUTOMATIC TRANSAXLE (A541E)
683 Author: Date:
8. MANUAL SHIFTING TEST
HINT:
With this test, it can be determined whether the trouble is within
the electrical circuit or is a mechanical problem in the transaxle.
(a) Disconnect the solenoid wire.
(b) Inspect the manual driving operation.
Check that the shift and gear positions correspond with
the table below.
While driving, shift through the L, 2 and D positions.
Check that the gear change corresponds to the shift posi-
tion.
Shift PositionGear Position
DO/D
2O/D
L1st
RReverse
PPawl Lock
HINT:
If the L, 2 and D position gear positions are difficult to positions
are difficult to distinguish, do the following read test.
If any abnormality is found in the above test, the problem is in
the transaxle itself.
(c) Connect the solenoid wire.
(d) Cancel out the DTC (See page DI±438).

Q04869
NC2 Revolution Sensor
D01094
Direct Clutch
Speed Sensor 2V3
1
V3
G R
E99
E94ECM
NC2
+
NC2±4 ~ 6 V
*1: Except California, w/ Engine Immobilizer and / or TRAC
*2: California, w/ Engine Immobilizer and / or TRAC*2 *1
E1114
26 *2 *1
E11
± DIAGNOSTICSAUTOMATIC TRANSAXLE (A541E)
DI±473
708 Author: Date:
DTC P1705 NC2 Revolution Sensor Circuit Malfunction
(Direct Clutch Speed Sensor)
CIRCUIT DESCRIPTION
This sensor detects the rotation speed of the direct clutch drum.
By comparing the direct clutch speed signal and the vehicle
speed sensor signal, the ECM detects the shift timing of the
gears and appropriately controls the engine torque and hydrau-
lic pressure in response to various conditions, thus performing
smooth gear shifting.
DTC No.DTC Detecting ConditionTrouble Area
P1705
The ECM detects conditions (a), (b), (c), (d), (e) and (f) conti-
nuity for 4 sec or more.
(2 trip detection logic)
(a) Vehicle speed : 32 km/h (20 mph) or more
(b) 3rd or 4th gear
(c) NC2 < 300 rpm
(d) Park/neutral position switch: OFF
(e) Solenoid valves and vehicle speed sensor are normal
(f) L position: OFF

Open or short in direct clutch speed sensor circuit

Direct clutch speed sensor

ECM
WIRING DIAGRAM
DI02P±02

DI03D±03
± DIAGNOSTICSANTI±LOCK BRAKE SYSTEM (DENSO Made)
DI±497
732 Author: Date:
DIAGNOSTIC TROUBLE CODE CHART
HINT:

Using SST 09843 ±18020, connect the terminals Tc and E1, and remove the short pin.

If any abnormality is not found when inspection parts, inspect the ECU.

If a malfunction code is displayed during the DTC check, check the circuit listed for the code. For details
of each code, turn to the page referred to under the ºSee pageº for respective ºDTC No.º in the DTC
chart.
DTC No.
(See Page)Detection ItemTrouble Area
11
(DI±502)Open circuit in ABS solenoid relay circuit
ABS solenoid relay
12
(DI±502)Short circuit in ABS solenoid relay circuit

ABS solenoid relay

ABS solenoid relay circuit
13
(DI±507)Open circuit in ABS motor relay circuit
ABS motor relay
14
(DI±507)Short circuit in ABS motor relay circuit

ABS motor relay

ABS motor relay circuit
21
(DI±511)Open or short circuit in 2±position solenoid circuit for right front
wheel
ABS actuator

SFRR or SFRH circuit
22
(DI±511)Open or short circuit in 2±position solenoid circuit for left front
wheel
ABS actuator

SFLR or SFLH circuit
23
(DI±511)Open or short circuit in 2±position solenoid circuit for right rear
wheel
ABS actuator

SRRR or SRRH circuit
24
(DI±511)Open or short circuit in 2±position solenoid circuit for left rear
wheel
ABS actuator

SRLR or SRLH circuit
31
(DI±514)Right front wheel speed sensor signal malfunction
32
(DI±514)Left front wheel speed sensor signal malfunction
Right front, left front, right rear and left rear speed sensor
Eh d i it33
(DI±514)Right rear wheel speed sensor signal malfunction

Each speed sensor circuit

Speed sensor rotor
34
(DI±514)Left rear wheel speed sensor signal malfunction
33, 34
(DI±519)Rear speed sensor rotor faulty

Rear axle hub

Right rear, left rear speed sensor

Rear speed sensor circuit
41
(DI±520)Power source voltage down

Battery

Charging system

Power source circuit
49
(DI±523)Open circuit in stop light switch circuit
Stop light switch

Stop light switch circuit
51
(DI±525)Pump motor is locked
ABS pump motor
Always ON
(DI±527)Malfunction in ECU
ECU

Battery

DI03W±11
DI±542
± DIAGNOSTICSANTI±LOCK BRAKE SYSTEM (BOSCH Made)
777 Author: Date:
DIAGNOSTIC TROUBLE CODE CHART
HINT:

Using SST 09843 ±18020, connect the terminals Tc and E1.

If a malfunction code is displayed during the DTC check, check the circuit listed for the code. For details
of each code, turn to the page referred to under the ºSee pageº for respective ºDTC No.º in the DTC
chart.
DTC No.
(See Page)Detection ItemTrouble Area
11
(DI±546)ABS solenoid valve relay faulty

ABS solenoid valve relay

Valve supply voltage

ECU
13
(DI±548)ABS pump motor faulty

ABS motor relay

Pump motor voltage

Pump motor lead disconnected

ECU
21
(DI±550)Right front solenoid valves faulty
ABS actuator (right front inlet or outlet solenoid valve)
22
(DI±550)Left front solenoid valves faulty
ABS actuator (left front inlet or outlet solenoid valve)
23
(DI±550)Right rear solenoid valves faulty
ABS actuator (right rear inlet or outlet solenoid valve)
24
(DI±550)Left rear solenoid valves faulty
ABS actuator (left rear inlet or outlet solenoid valve)
31
(DI±552)Right front wheel speed sensor signal malfunction
32
(DI±552)Left front wheel speed sensor signal malfunction
Right front, left front, right rear and left rear speed sensor

Each speed sensor circuit
33
(DI±552)Right rear wheel speed sensor signal malfunction

Each s eed sensor circuit

Sensor installation

ECU
34
(DI±552)Left rear wheel speed sensor signal malfunction
35
(DI±552)Open circuit in right front wheel speed sensor circuit
Right front, left front speed sensor
Eh d i it36
(DI±552)Open circuit in left front wheel speed sensor circuit

Each speed sensor circuit

ECU
37
(DI±557)Speed sensor rotor is wrong number of teeth on one of the 4
wheels
Speed sensor

Sensor rotor

ECU
38
(DI±552)Open circuit in right rear wheel speed sensor circuit
Right rear, left rear speed sensor
Eh d i it39
(DI±552)Open circuit in left rear wheel speed sensor circuit

Each speed sensor circuit

ECU
41
(DI±558)Low battery positive voltage

Battery

Charging system regulator

Power source circuit

ECU
58
(DI±561)Open circuit in stop light switch circuit

Stop light switch

Stop light switch circuit

ECU
62
(DI±563)Malfunction in ECU
ECU

DI040±08
F03949
Actuator Assembly
BatteryActuator Assembly
MAINB±GF4 1 ALT
FL
Block 1F5 B±G3
ABS
12 3
Engine
Room R/B
No.3L
L
18
A6
+B+BA6
Valve Relay
Motor Relay17
A6 16 GND2
W±BEA
W±B
W±B 19
A6GND1 ECU DI±546
± DIAGNOSTICSANTI±LOCK BRAKE SYSTEM (BOSCH Made)
781 Author: Date:
CIRCUIT INSPECTION
DTC 11 ABS Solenoid Valve Relay Circuit
CIRCUIT DESCRIPTION
This relay supplies power to each ABS solenoid. After the ignition switch is turned ON, if the initial check is
OK, the relay goes on.
DTC No.DTC Detecting ConditionTrouble Area
11
Detection of any conditions from 1. through 3.:
1. 3 or more solenoid valves are shown faulty in response
and simultaneously valve supply voltage is detected
faulty.
2. Solenoid valve relay will not be switched OFF.
3. Valve relay is frozen in spite of its high valve relay sup-
ply voltage.

ABS solenoid valve relay

Valve supply voltage

ECU
Fail safe function:
If trouble occurs in the ABS solenoid valve relay circuit, the ECU cuts off current to the ABS solenoid valve
relay and prohibits ABS control.
WIRING DIAGRAM

DI04F±04
DI±578
± DIAGNOSTICSABS & TRACTION CONTROL SYSTEM
813 Author: Date:
DIAGNOSTIC TROUBLE CODE CHART
HINT:

Using SST 09843 ±18020, connect the terminals Tc and E1.

If a malfunction code is displayed during the DTC check, check the circuit listed for the code. For details
of each code, turn to the page referred to under the ºSee pageº for respective ºDTC No.º in the DTC
chart.
DTC No.
(See Page)Detection ItemTrouble Area
11
(DI±584)Open circuit in ABS & TRAC solenoid relay circuit
ABS & TRAC solenoid relay
ABS & TRAC l id l i it12
(DI±584)Short circuit in ABS & TRAC solenoid relay circuit

ABS & TRAC solenoid relay circuit

ECU
13
(DI±587)Open circuit in ABS & TRAC motor relay circuit
ABS & TRAC motor relay
ABS & TRAC t l i it14
(DI±587)Short circuit in ABS & TRAC motor relay circuit

ABS & TRAC motor relay circuit

ECU
21
(DI±590)Open or short circuit in right front solenoid circuit

ABS & TRAC actuator

SFRR or SFRH circuit

ECU
22
(DI±590)Open or short circuit in left front solenoid circuit

ABS & TRAC actuator

SFLR or SFLH circuit

ECU
23
(DI±590)Open or short circuit in right rear solenoid circuit

ABS & TRAC actuator

SRRR or SRRH circuit

ECU
24
(DI±590)Open or short circuit in left rear solenoid circuit

ABS & TRAC actuator

SRLR or SRLH circuit

ECU
25
(DI±590)Open or short circuit in SMC1 circuit

ABS & TRAC actuator

SMC1 circuit

ECU
26
(DI±590)Open or short circuit in SMC2 circuit

ABS & TRAC actuator

SMC2 circuit

ECU
27
(DI±590)Open or short circuit in SRC1 circuit

ABS & TRAC actuator

SRC1 circuit

ECU
28
(DI±590)Open or short circuit in SRC2 circuit

ABS & TRAC actuator

SRC2 circuit

ECU
31
(DI±593)Right front wheel speed sensor signal malfunction
32
(DI±593)Left front wheel speed sensor signal malfunction
Right front, left front, right rear and left rear speed sensor

Each speed sensor circuit
33
(DI±593)Right rear wheel speed sensor signal malfunction

Each s eed sensor circuit

Speed sensor rotor

ECU
34
(DI±593)Left rear wheel speed sensor signal malfunction
41
(DI±598)Low battery positive voltage or abnormally high battery
positive voltage

Battery

Charging system

Power source circuit

ECU

DI05M±02
WIRELESS DOOR LOCK CONTROL System Check Sheet
Customer 's Name
Registration No.
Registration Year
Frame No.
Odometer ReadingInspector 's
Name
km
Miles //
//
// Date Vehicle Brought In
Date Problem First Occurred
Frequency Problem Occurs
Weather Conditions
When Problem Oc-
curred
Date Transmitter Battery Last ReplacedWeather
Outdoor Temperature
PlaceConstant Sometimes ( times per day, month)
Once only
Fine
Cloudy Rainy Snowy
Various/Others
HotWarm Cool
Cold (Approx. °F ( °C))
EverywhereSpecific Locality( )
//
Problem Symptom
Whole wireless door lock control system does not operate.
Only door unlock operation is not possible.
Only door lock operation is not possible.
Only key confinement prevention function is not possible.
Wireless door lock function operates even each door is opened.
Wireless door lock functions incorrectly.
( Although one door is unlocked, when the transmit-
ter switch is pressed, all doors become unlocked.)When Front RH door is unlocked
When Front LH door is unlocked
When Rear RH door is unlocked
When Rear LH door is unlocked
Others
Only PANIC operation is not possible.
± DIAGNOSTICSWIRELESS DOOR LOCK CONTROL SYSTEM
DI±801
1036 Author: Date:
CUSTOMER PROBLEM ANALYSIS CHECK

N13159
N13160
I08491
GND
PRG
PRG
GND
Wireless Door
Lock ECU
Remote Control Mirror
Switch Connector
DI±804
± DIAGNOSTICSWIRELESS DOOR LOCK CONTROL SYSTEM
1039 Author: Date:
(d) Replace the battery for transmitter.
(1) Using a screwdriver, pry outward the cover.
(2) Remove the battery.
(3) Set a new battery into the transmitter.
(4) Install the cover to the transmitter.
3. REGISTRATION OF RECOGNITION CODE
The recognition code of the transmitter is electronically regis-
tered (written to and stored) in an EEPROM contained in the
wireless door lock ECU. This makes it possible to register up to
2 different codes in the EEPROM.
New recognition codes can be registered after all previous
codes have been erased. A transmitter code can be registered
into the EEPROM by following the steps numbered (1) to (5).
(1) The wireless door lock ECU and remote control mir-
ror switch are connected to each other via a PRG
terminal, and the GND terminal of the remote con-
trol mirror switch connector is grounded to body.
Remove the connector from the remote control mir-
ror switch, and use a test lead to short the PRG and
GND connector together. As a result, the PRG ter-
minal of the wireless door lock ECU will be
grounded to body and will cause all transmitter rec-
ognition codes previously registered in the EE-
PROM to be erased. At the same time, the ECU will
respond by operating once the lock and unlock
functions of all the doors, and the open function of
the trunk lid.