DESCRIPTION
This DTC is output when a malfunction is detected in the 4 wheel drive control ECU internal circuit.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
P163B |
4WD ECU Malfunction |
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
4WD specification:
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - DIFFERENTIAL LOCK COIL) |
(a) Turn the ignition switch off.
(b) Disconnect the F12 4 wheel drive control ECU connector.
(c) Disconnect the D28 differential lock coil connector.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F12-1 (SL+) - D28-2 (SL+) |
Always |
Below 1 Ω |
F12-5 (SL-) - D28-1 (SL-) |
Always |
Below 1 Ω |
F12-1 (SL+) or D28-2 (SL+) - Body ground |
Always |
10 kΩ or higher |
F12-5 (SL-) or D28-1 (SL-) - Body ground |
Always |
10 kΩ or higher |
(e) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F12-1 (SL+) or D28-2 (SL+) - Body ground |
Ignition switch ON |
Below 1 V |
F12-5 (SL-) or D28-1 (SL-) - Body ground |
Ignition switch ON |
Below 1 V |
NG |
REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
2. |
INSPECT DIFFERENTIAL LOCK COIL |
(a) Turn the ignition switch off.
(b) Disconnect the D28 differential lock coil connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
1 (SL-) or 2 (SL+) - Body ground |
Ignition switch ON |
Below 1 V |
OK |
REPLACE 4 WHEEL DRIVE CONTROL ECU |
NG |
REPLACE DIFFERENTIAL LOCK COIL |
Installation
INSTALLATION
PROCEDURE
1. INSTALL TRANSMISSION CONTROL CABLE ASSEMBLY
(a) Install the transmission control cable assembly from outside the vehicle
body and attach the 3 claws of the cable retainer.
(b) Install the 2 nuts.
Torque:
5.5 N·m {56 kgf·cm, 49 in·lbf}
(c) Connect the transmissi ...
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When using the Techstream with the engine switch off, connect the Techstream
to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds
or less until communication between the Techstream and the vehicle begins. Then
select the vehicle type u ...
Door Control Receiver
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE ROOF HEADLINING ASSEMBLY (for Double Cab)
(See page )
2. REMOVE ROOF HEADLINING ASSEMBLY (for Access Cab)
(See page )
3. REMOVE DOOR CONTROL RECEIVER (w/o Tire Pressure Warning System)
(a) Disconne ...