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 |
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|
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 |
Room Light Assembly
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 ROOM LIGHT ASSEMBLY
(a) Using a screwdriver with its tip wrapped in protective tape, disengage
the 4 claws to remove the No. 1 room light lens.
Text in Illustration
*a
...
Customize Parameters
CUSTOMIZE PARAMETERS
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Make a note of the current settings before customizing.
HINT:
The following PCS functions and the pre-collision system sensitivity setting
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...