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 |
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 |
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 |
Four Wheel Drive (4WD) Range Signal Circuit Range / Performance (P279E)
DESCRIPTION
When the transfer position switch is switched, the 2-4 terminal and LO terminal
change to one of the following ON/OFF combinations listed in the table below.
Terminal
2WD
Between 2WD and H4
H4
Between H4 and L4
L4
...
Brake System (P157800)
DESCRIPTION
This DTC is stored when a malfunction is detected in the vehicle stability control
system.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
P157800
Brake System
While the igni ...
Engine Immobiliser System Incorrect Assembly (B279C95)
DESCRIPTION
This code is stored when an ECM that is incompatible with the engine immobiliser
system is installed to the vehicle.
DTC Code
DTC Detection Condition
Trouble Area
DTC Output Confirmation Operation
B279C95
An ECM ...