DESCRIPTION
Power is supplied to the radio receiver assembly and steering pad switch assembly illumination when the light control switch is in the tail or head position.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System Click here.
PROCEDURE
CHECK ILLUMINATION
Check if the illumination for the radio 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 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| B |
|
CHECK HARNESS AND CONNECTOR (BATTERY - RADIO RECEIVER ASSEMBLY) Click here |
| C |
|
CHECK HARNESS AND CONNECTOR (BATTERY - INTEGRATION CONTROL AND PANEL ASSEMBLY) Click here |
| D |
|
GO TO LIGHTING SYSTEM Click here |
| E |
|
GO TO METER / GAUGE SYSTEM Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (BATTERY - SPIRAL CABLE SUB-ASSEMBLY)
| *1 | Front view of wire harness connector (to Spiral Cable Sub-assembly) |
Disconnect the spiral cable sub-assembly connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT STEERING PAD SWITCH ASSEMBLY
Disconnect the steering pad switch assembly connector.
Connect a battery positive (+) lead to terminal IL+2 and a negative (-) lead to terminal EAU of the steering pad switch assembly connector.
Check if the illumination for the steering pad switch assembly comes on.
| OK |
|---|
| Illumination for the steering pad switch assembly comes on. |
| *A | w/ Microphone | *B | w/o Microphone |
| *1 | Component without harness connected (Steering Pad Switch Assembly) |
- | - |
| NG |
|
REPLACE STEERING PAD SWITCH ASSEMBLY Click here |
| OK |
|
INSPECT SPIRAL CABLE SUB-ASSEMBLY
| *1 | Steering Pad Switch Assembly Side |
| *2 | Vehicle Side |
Disconnect the steering pad switch assembly and spiral cable sub-assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Note
The spiral cable sub-assembly is an important part of the SRS airbag system. Incorrect removal or installation of the spiral cable sub-assembly may prevent the airbag from deploying. Be sure to read the pages shown in the brackets.
| NG |
|
REPLACE SPIRAL CABLE SUB-ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR
Disconnect the radio receiver assembly and spiral cable sub-assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here
CHECK HARNESS AND CONNECTOR (BATTERY - RADIO RECEIVER ASSEMBLY)
| *1 | Front view of wire harness connector (to Radio Receiver Assembly) |
Disconnect the radio receiver assembly connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY)
Disconnect the radio receiver assembly and combination meter assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here
CHECK HARNESS AND CONNECTOR (BATTERY - INTEGRATION CONTROL AND PANEL ASSEMBLY)
| *1 | Front view of wire harness connector (to Integration Control and Panel Assembly) |
Disconnect the integration control and panel assembly connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR
Disconnect the integration control and panel assembly and the combination meter assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE INTEGRATION CONTROL AND PANEL ASSEMBLY Click here