WIRING DIAGRAM
PROCEDURE
1. |
CONFIRM PROBLEM SYMPTOM |
(a) Confirm the problem symptoms.
Result
Result |
Proceed to |
---|---|
The 4WD indicator light (green) and 4LO indicator light remain off |
A |
The 4WD indicator light (green) remains illuminated, and the 4LO indicator light remains off |
B |
The 4WD indicator light (green) and 4LO indicator light remain illuminated |
C |
B |
GO TO STEP 6 |
C |
GO TO STEP 7 |
|
2. |
CHECK 4WD INDICATOR LIGHT (GREEN) |
(a) Turn the ignition switch to ON.
(b) for Automatic Transmission:
Move the shift lever to N.
for Manual Transmission:
Depress the clutch pedal.
(c) Turn the transfer position switch to H4.
(d) Wait for 60 seconds.
(e) Check the 4WD indicator light (green).
Result
Result |
Proceed to |
---|---|
The 4WD indicator light (green) blinks*1 or illuminates |
A |
The 4WD indicator light (green) rapidly blinks*2 or remains off |
B |
A |
END |
|
3. |
CHECK FOR DTC |
(a) Turn the transfer position switch to L4.
(b) Check if DTC P279E is output after 60 seconds elapse (See page ).
Result
Result |
Proceed to |
---|---|
DTC P279E is not output |
A |
DTC P279E is output |
B |
B |
REPAIR CIRCUIT INDICATED BY OUTPUT CODE |
|
4. |
CHECK CAN COMMUNICATION LINE |
(a) Select "Bus Check" from the System Selection Menu screen, and follow the prompts on the screen to inspect the CAN Bus (See page ).
OK:
"Bus Check" indicates no malfunctions in CAN communication.
NG |
CHECK CAN COMMUNICATION SYSTEM |
|
5. |
CHECK TRANSFER POSITION SWITCH |
(a) Remove the transfer position switch with its connector still connected. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F15-2 (2-4) - Body ground |
Ignition switch ON 2WD position |
Below 1.5 V |
Ignition switch ON H4 position |
Below 1.5 V |
|
Ignition switch ON L4 position |
10 to 14 V |
|
F15-3 (LO) - Body ground |
Ignition switch ON 2WD position |
10 to 14 V |
Ignition switch ON H4 position |
Below 1.5 V |
|
Ignition switch ON L4 position |
Below 1.5 V |
*a |
Component with harness connected (Transfer Position Switch) |
OK |
CHECK METER / GAUGE SYSTEM |
NG |
REPLACE TRANSFER POSITION SWITCH |
6. |
CHECK 4WD INDICATOR LIGHT (GREEN) |
(a) Turn the ignition switch to ON.
(b) for Automatic Transmission:
Move the shift lever to N.
for Manual Transmission:
Depress the clutch pedal.
(c) Turn the transfer position switch to 2WD.
(d) Wait for 60 seconds.
(e) Check the 4WD indicator light (green).
Result
Result |
Proceed to |
---|---|
The 4WD indicator light (green) blinks*1 or turns off |
A |
The 4WD indicator light (green) rapidly blinks*2 or remains on |
B |
A |
END |
B |
GO TO DTC P279E |
7. |
CHECK 4LO INDICATOR LIGHT |
HINT:
Perform the following procedures with the vehicle stopped.
(a) Turn the ignition switch to ON.
(b) for Automatic Transmission:
Move the shift lever to N.
for Manual Transmission:
Depress the clutch pedal.
(c) Turn the transfer position switch to H4.
(d) Wait for 60 seconds.
(e) Check the 4LO indicator light.
Result
Result |
Proceed to |
---|---|
The 4LO indicator light blinks*1 or turns off |
A |
The 4LO indicator light rapidly blinks*2 or remains on |
B |
A |
END |
|
8. |
CHECK FOR DTC |
(a) Turn the transfer position switch to 2WD.
(b) Check if DTC P279E is output after 60 seconds elapse (See page ).
Result
Result |
Proceed to |
---|---|
DTC P279E is not output |
A |
DTC P279E is output |
B |
B |
REPAIR CIRCUIT INDICATED BY OUTPUT CODE |
|
9. |
CHECK TRANSFER POSITION SWITCH |
(a) Remove the transfer position switch with its connector still connected. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F15-2 (2-4) - Body ground |
Ignition switch ON 2WD position |
Below 1.5 V |
Ignition switch ON H4 position |
Below 1.5 V |
|
Ignition switch ON L4 position |
10 to 14 V |
|
F15-3 (LO) - Body ground |
Ignition switch ON 2WD position |
10 to 14 V |
Ignition switch ON H4 position |
Below 1.5 V |
|
Ignition switch ON L4 position |
Below 1.5 V |
*a |
Component with harness connected (Transfer Position Switch) |
OK |
CHECK CAN COMMUNICATION SYSTEM |
NG |
REPLACE TRANSFER POSITION SWITCH |
Automatic transmission
Select a shift position appropriate for the driving conditions.
■ Shifting the shift lever
5-speed models
While the engine switch is on, depress
the brake pedal and move the shift lever.
4-speed models
While the engine switch is on, depress
the brake pedal and move the shift l ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL AIR CONDITIONING UNIT ASSEMBLY
(a) Temporary install the air conditioning unit assembly.
(b) Insert the bracket hook into the holes of the reinforcement bracket, and
temporary install the instrument panel reinforcement assembly.
(c) Install the instrument p ...
If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehicle’s
battery is discharged.
You can call your Toyota dealer or qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle with a 12-volt
battery, you can jump start your Toyota following the ...