Step | Action | Value(s) | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
1 |
Are all the modules communicating with the scan tool? | -- | Go to Scan Tool Does Not Communicate with Class 2 Data Line in Wiring Systems. | |||||||
2 |
Does the brake warning lamp light? | -- | ||||||||
3 |
Does park brake switch status cycle from OFF to ON when setting the park brake? | -- | ||||||||
4 |
Does the brake warning lamp light? | -- | ||||||||
5 | Replace the park brake switch. Refer to Parking Brake Indicator Switch Replacement in Parking Brakes. Is the repair complete? | -- | System OK | -- | ||||||
6 |
Does the brake warning lamp light? | -- | ||||||||
7 | Replace the brake fluid level switch. Is the repair complete? | -- | System OK | -- | ||||||
8 | Locate the open in CKT 1134 (LT BLU) between the park brake switch and the BCM. Did you find an open? | -- | ||||||||
9 | Repair the open in CKT 1134 (LT BLU) between the park brake switch and the BCM. Is the repair complete? | -- | System OK | -- | ||||||
10 | Replace the BCM. Refer to Body Control Module Replacement in Body Control Systems. Is the repair complete? | -- | System OK | -- | ||||||
11 | Using a fused jumper wire, jump pin B to ground. Does the brake warning lamp light? | -- | ||||||||
12 | Locate and repair the open in CKT 550 (BLK) between the brake fluid level switch and G104. Is the repair complete? | -- | System OK | -- | ||||||
13 | Locate the open in CKT 333 (PPL) between the brake fluid level switch and the EBCM. Did you find an open? | -- | ||||||||
14 | Repair the open in CKT 333 (PPL) between the brake fluid level switch and the EBCM. Is the repair complete? | -- | System OK | -- | ||||||
15 | Replace the EBCM. Refer to Electronic Brake Control Module Replacement in Antilock Brake System. Is the repair complete? | -- | System OK | -- | ||||||
16 | Replace the instrument cluster. Refer to Instrument Cluster Replacement . Is the repair complete? | -- | Go to Instrument Cluster System Check . | -- |
