Step
| Action
| Yes
| No
|
Schematic Reference:
Brake Warning System Schematics
|
1
| Did you review the system operation and perform the necessary
inspection?
| Go to
Step 2
| Go to
Symptoms - Hydraulic Brakes
|
2
|
- Disconnect the park brake indicator switch connector.
- Turn the ignition switch to the ON position.
- Connect a fused jumper between the park brake indicator switch
connector and ground Refer to
Using Fused Jumper Wires
in Wiring Systems.
Does the brake indicator lamp illuminate?
| Go to
Step 5
| Go to
Step 3
|
3
|
- Disconnect the brake fluid minimum capacity sensor connector.
- Connect a fused jumper between the brake fluid minimum capacity
sensor connector terminal B and a known good ground. Refer to
Using Fused Jumper Wires
in Wiring Systems.
Does the brake indicator lamp illuminate?
| Go to
Step 4
| Go to
Step 6
|
4
|
- Locate an open or a high resistance in the brake signal circuit
- Repair the open or the high resistance in the brake signal circuit.
Refer to
Wiring Repairs
in Wiring
Systems.
Is the repair complete?
| Go to
Step 8
| --
|
5
| Replace the park brake indicator switch. Refer to
Parking Brake Indicator Switch Replacement
.
Is the repair complete?
| Go to
Step 8
| --
|
6
|
- Replace the brake indicator lamp. Refer to
Instrument Cluster Indicator Lamp Replacement
in Instrument
Panel, Gauges, and Console.
- Reconnect all of the connectors and the components that were disconnected.
- Engage the park brake.
Does the brake indicator lamp illuminate?
| Go to
Step 8
| Go to
Step 7
|
7
|
- Locate an open or a high resistance in the brake light signal
circuit
- Repair the open or the high resistance in the brake light signal
circuit. Refer to
Wiring Repairs
in
Wiring Systems.
- If the circuit is OK, replace the instrument cluster. Refer to
Instrument Cluster Replacement
in
Instrument Panel, Gauges, and Console.
Is the repair complete?
| Go to
Step 8
| --
|
8
| Operate the system in order to verify the repair.
Did you correct the condition?
| System OK
| Go to
Step 2
|
Step
| Action
| Yes
| No
|
Schematic Reference:
Brake Warning System Schematics
|
1
| Did you review the system operation and perform the necessary inspections?
| Go to
Step 2
| Go to
Symptoms - Hydraulic Brakes
|
2
| Does the brake warning lamp operate with the parking brake
set?
| Go to
Step 3
| Go to
Brake Warning Indicator Inoperative
|
3
|
- Disconnect the brake fluid minimum capacity sensor connector.
- Turn the ignition switch to the ON position.
- Connect a fused jumper between terminal A and terminal B
of the brake fluid minimum capacity sensor connector. Refer to
Using Fused Jumper Wires
in Wiring Systems.
Does the brake indicator lamp illuminate?
| Go to
Step 5
| Go to
Step 4
|
4
|
- Locate an open or a high resistance in the brake light signal
circuit or brake fluid sensor ground.
- Repair the open or the high resistance in the brake light signal
circuit or brake fluid sensor ground. Refer to
Wiring Repairs
in Wiring Systems.
Is the repair complete?
| Go to
Step 6
| --
|
5
| Replace the master cylinder reservoir cap.
Is the replacement complete?
| Go to
Step 6
| --
|
6
| Operate the system in order to verify the repair.
Did you correct the condition?
| System OK
| Go to
Step 2
|
