Step
| Action
| Value(s)
| Yes
| No
|
1
| Turn the park lamps on.
Are all of the steering wheel controls illumination lamps inoperative?
| --
|
Go to Step 3
|
Go to Step 2
|
2
| Replace the steering wheel controls. Refer to
Steering Wheel Control Switches Replacement
.
Is the repair complete?
| --
| System OK
| --
|
3
|
- Disconnect connector C217.
- Turn the IP dimmer switch to maximum brightness.
- Connect a test lamp from connector C217 terminal B to terminal
D (male side).
Does the test lamp illuminate?
| --
|
Go to Step
4
|
Go to Step 5
|
4
|
- Reconnect connector C217.
- Backprobe the steering wheel controls connector from terminal
B to terminal C.
Does the test lamp light?
| --
|
Go to Step
8
|
Go to Step 9
|
5
| Connect a test lamp from C217 terminal B to ground.
Does the test lamp light?
| --
|
Go to Step
6
|
Go to Step 7
|
6
| Repair the open in circuit 650 between C217 and S216.
Is the repair complete?
| --
| System OK
| --
|
7
| Repair the open in circuit 1458 between the IP fuse block
and connector C217.
Is the repair complete?
| --
| System OK
| --
|
8
|
- Test for a poor connection at the steering wheel controls.
- If the connections are OK, replace the steering wheel controls.
Is the repair complete?
| --
| System OK
| --
|
9
|
- Test for a poor connection at steering wheel controls connector
terminal B and terminal D.
- If the connections are OK, replace the Inflatable restraint steering
wheel module coil. Refer to
Inflatable Restraint Steering Wheel Module Coil Replacement
.
Is the repair complete?
| --
| System OK
| --
|