Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Hydraulic Brake Schematics Connector End View Reference: Hydraulic Brake Connector End Views | |||
1 | Did you review the Brake Warning System Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 | Verify a fault is present. Does the system operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Does the brake warning indicator illuminate? | Go to Step 4 | Go to Step 15 |
4 |
Does the Park Brake status change from Released to Set? | Go to Step 5 | Go to Step 6 |
5 |
Does the brake warning indicator illuminate? | Go to Step 12 | Go to Step 7 |
6 |
Does the brake warning indicator illuminate? | Go to Step 11 | Go to Step 8 |
7 | Connect a fused jumper wire between the brake fluid level switch output circuit and a good ground. Does the brake warning indicator illuminate? | Go to Step 9 | Go to Step 10 |
8 | Test park brake switch output circuit for an open between the park brake switch and the body control module (BCM). Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 16 | Go to Step 13 |
9 | Repair the open in the ground circuit of the brake fluid level switch. Refer to Wiring Repairs . Did you complete the repair? | Go to Step 16 | -- |
10 | Test the brake fluid level switch input circuit for an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 16 | Go to Step 14 |
11 | Replace the park brake switch. Refer to Parking Brake Indicator Switch Replacement . Did you complete the replacement? | Go to Step 16 | -- |
12 | Replace the brake fluid level switch. Refer to Master Cylinder Reservoir Replacement . Did you complete the replacement? | Go to Step 16 | -- |
13 |
Important: Perform the set up procedure for the BCM. Replace the BCM. Refer to Control Module References . Did you complete the replacement? | Go to Step 16 | -- |
14 |
Important: Following the electronic brake control module (EBCM) replacement, use the scan tool to perform the Tire Size Calibration procedure. Replace the EBCM. Refer to Control Module References . Did you complete the replacement? | Go to Step 16 | -- |
15 | Replace the instrument panel cluster. Refer to Control Module References . Did you complete the replacement? | Go to Step 16 | -- |
16 | Verify the system is repaired. Does the system operate normally? | System OK | Go to Step 3 |
