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 assembly, heater control switch or others (hazard switch, transmission control switch, etc.) comes on when the light control switch is turned to the head or tail position.
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 only for steering pad switch assembly. |
C |
No illumination comes on (radio and display receiver assembly, hazard switch, heater control switch, etc.). |
D |
B |
GO TO STEP 5 |
C |
GO TO METER / GAUGE SYSTEM |
D |
GO TO LIGHTING SYSTEM |
|
2. |
CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL) |
(a) Disconnect the D18 spiral cable with sensor sub-assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D18-12 (IL+2) - Body ground |
Light control switch in the tail or head position |
11 to 14 V |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT STEERING PAD SWITCH ASSEMBLY |
(a) Remove the steering pad switch assembly (See page ).
(b) Connect a battery positive (+) lead to terminal 5 (IL+2) and a negative (-) lead to terminal 3 (-DP) of the steering pad switch assembly connector.
Text in Illustration
*a |
Component without harness connected (Steering Pad Switch Assembly) |
- |
- |
(c) Check if the illumination for the steering pad switch assembly comes on.
OK:
Illumination for the steering pad switch assembly comes on.
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) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(c) After setting the spiral cable with sensor sub-assembly to the center position, rotate the spiral cable with sensor sub-assembly 2.5 times clockwise. Then while rotating the spiral cable with sensor sub-assembly 5 times counterclockwise, measure the resistance according to the value(s) the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
z5-5 (IL+2) - D18-12 (IL+2) |
Always |
3 Ω or less |
z5-3 (-DP) - D18-10 (-DP) |
Always |
3 Ω or less |
NOTICE:
*a |
Component without harness connected (Spiral Cable with Sensor Sub-assembly) |
*b |
Steering Pad Switch Assembly Side |
*c |
Vehicle Side |
OK |
REPAIR OR REPLACE HARNESS OR CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - BODY GROUND) |
NG |
REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY |
5. |
CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL) |
(a) Disconnect the E4 radio and display receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E4-10 (ILL+) - Body ground |
Light control switch in the tail or head position |
11 to 14 V |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY) |
(a) Disconnect the E5 radio and display receiver assembly connector.
(b) Disconnect the E2 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E5-5 (ILL-) - E2-12 (ILL-) |
Always |
Below 1 Ω |
E5-5 (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 |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the tab ...
Short in Driver Side Knee Airbag Squib Circuit (B1860/64-B1863/64)
DESCRIPTION
The driver side knee airbag squib circuit consists of the center airbag sensor
assembly and driver side knee airbag assembly.
The center airbag sensor assembly uses this circuit to deploy the airbag when
deployment conditions are met.
These ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT SHIFT SOLENOID VALVE SL
(a) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*1
Shift Solenoid Valve SL
Standard Re ...