Step
| Action
| Value(s)
| Yes
| No
|
1
|
- Apply the parking brake.
- Place the ignition switch in RUN.
Is the brake indicator illuminated?
| --
|
Go to Step 5
|
Go to Step 2
|
2
|
- Disconnect the connector at the park brake warning switch.
- Connect a fused jumper between the park brake warning switch cavity A
CKT 1134 (LT BLU) and ground.
Is the brake indicator illuminated?
| --
|
Go to Step 6
|
Go to Step 3
|
3
|
- Disconnect the instrument cluster connector.
- Connect a test lamp between the instrument cluster connector cavity A6
and ground.
Does the test lamp light?
| --
|
Go to Step 4
|
Go to Step 7
|
4
|
- Disconnect the body control module.
- Connect a self-powered test lamp at the instrument cluster connector
cavity A6 CKT 1807 (PPL) and the body control module connector C1
cavity A12.
Does the test lamp light?
| --
|
Go to Step
5
|
Go to Step
8
|
5
|
- Reconnect all components.
- Position the vehicle safely for the release of the park brake.
- Release the parking brake.
- Start the engine while observing the instrument cluster.
Is the brake indicator illuminated while the ingnition switch is in
START?
| --
|
Go to Step 9
|
Go to Step 10
|
6
| Adjust the park brake warning switch.
Is the repair complete?
| --
| Go to
Brake Warning System Check
| --
|
7
| Locate and repair open in CKT 340 (ORN) between the IP fuse block
and the instrument cluster.
Is the repair complete?
| --
| Go to
Brake Warning System Check
| --
|
8
| Locate and repair open in CKT 1807 (PPL) between the instrument
cluster and the body control module.
Is the repair complete?
| --
| Go to
Brake Warning System Check
| --
|
9
|
- Connect a self-powered test lamp between the body control module
connector C1cavity B10, CKT 1134 (LT BLU) and ground.
- Test for continuity.
Does the test lamp light?
| --
|
Go to Step 10
|
Go to Step 11
|
10
| Replace park brake warning switch.
Is the repair complete?
| --
| Go to
Brake Warning System Check
| --
|
11
| Locate and repair open in CKT 1134 (LT BLU) between the body
control module and the park brake warning switch.
Is the repair complete?
| --
| Go to
Brake Warning System Check
| --
|