DESCRIPTION
Power is supplied to the radio and display receiver assembly and steering pad switch assembly illumination when the light control switch is in the TAIL or HEAD position.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK ILLUMINATION |
(a) Check if the illumination for the radio and display receiver assembly, steering pad switch, heater control switch or others (hazard switch, transmission control switch, etc.) comes on when the light control switch is turned to the TAIL or HEAD position.
Result
Result |
Proceed to |
---|---|
Illumination comes on for all components except steering pad switch assembly. |
A |
Illumination comes on for all components except radio and display receiver assembly. |
B |
Illumination comes on for all components except steering pad switch assembly and radio and display receiver assembly. |
C |
B |
GO TO STEP 6 |
C |
GO TO STEP 7 |
|
2. |
CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - BATTERY) |
(a) Disconnect the spiral cable with sensor sub-assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
S8-13 (IL+2) - Body ground |
Light control switch in the TAIL or HEAD position |
11 to 14 V |
*a |
Front view of wire harness connector (to Spiral Cable with Sensor Sub-assembly) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT STEERING PAD SWITCH ASSEMBLY |
(a) Remove the steering pad switch assembly (See page ).
(b) Inspect the steering pad switch assembly (See page ).
NG |
REPLACE STEERING PAD SWITCH ASSEMBLY |
|
4. |
INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY |
(a) Remove the spiral cable with sensor sub-assembly (See page ).
(b) Inspect the spiral cable with sensor sub-assembly (See page ).
NG |
REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY |
|
5. |
CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY AND BODY GROUND) |
(a) Disconnect the S8 spiral cable with sensor sub-assembly connector.
(b) Disconnect the R31 radio and display receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
S8-3 (EAU) - R31-23 (SWG) |
Always |
Below 1 Ω |
S8-3 (EAU) - Body ground |
Always |
10 kΩ or higher |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
6. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - BATTERY) |
(a) Disconnect the radio and display receiver assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
R30-10 (ILL+) - Body ground |
Light control switch in the TAIL or HEAD position |
11 to 14 V |
*a |
Front view of wire harness connector (to Radio and Display Receiver Assembly) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
7. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY) |
(a) Disconnect the R29 radio and display receiver assembly connector.
(b) Disconnect the C9 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R29-5 (ILL-) - C9-15 (ILL-) |
Always |
Below 1 Ω |
R29-5 (ILL-) - Body ground |
Always |
10 kΩ or higher |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Dynamic Radar Cruise Control System
DTC No.
Detection Item
MIL
Link
C1A02
Vehicle Information Not Obtained
Does not come on
C1A0A
Front Radar Se ...
Door Courtesy Switch Circuit
DESCRIPTION
The main body ECU (multiplex network Body ECU) receives a door open or closed
signal from each door courtesy light switch.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Recognition code registration is necessary when replacing the main body
ECU (multiplex network bo ...
Rear Door(for Access Cab)
Adjustment
ADJUSTMENT
CAUTION / NOTICE / HINT
HINT:
Use the same procedures for both the LH and RH sides.
The procedure described below is for the LH side.
Centering bolts are used to mount the door hinge to the vehicle body
and door. The door cannot be adjusted with the ce ...