DESCRIPTION
Power is supplied to the navigation 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 navigation 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 navigation receiver assembly. |
B |
Illumination comes on only for steering pad switch assembly. |
C |
No illumination comes on (navigation 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 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.
*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) in 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 E38 navigation receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E38-10 (ILL+) - Body ground |
Light control switch in tail or head position |
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY) |
(a) Disconnect the E39 navigation 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 |
---|---|---|
E39-5 (ILL-) - E2-12 (ILL-) |
Always |
Below 1 Ω |
E39-5 (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 |
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
LVDS Signal Malfunction (from Extension Module) (B1532)
DESCRIPTION
The stereo component tuner assembly and the navigation receiver assembly are
connected by the LVDS communication line.
This DTC is stored when an LVDS communication error occurs between the stereo
component tuner assembly and the navigation r ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COMPRESSOR FOR METALLIC SOUND
(a) Check if there is abnormal metallic sound from the A/C compressor (compressor
with pulley) when the A/C switch is on and the A/C compressor (compressor with pulley)
operates.
...