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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 226 (Hydraulic Brake System) >> Diagnostic Information and Procedures >> Brake Warning Indicator Inoperative

Brake Warning Indicator Inoperative

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Brake Warning Indicator Inoperative

Step Action Yes No
Schematic Reference:  Brake Warning System Schematics  
1 Did you perform the Hydraulic Brake Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Hydraulic Brakes 
2
  1. Turn OFF the ignition.
  2. Turn ON the ignition, with the engine OFF.
  3. Observe the red Brake indicator.
Does the red Brake indicator illuminate briefly during the bulb check?		 Go to Step 3  Go to Step 11 
3 Apply the park brake.
Does the red Brake indicator illuminate?		 Go to Step 4  Go to Step 5 
4
  1. Turn OFF the ignition.
  2. Release the park brake.
  3. Disconnect the brake fluid level switch.
  4. Connect a 3 amp fused jumper wire between the signal circuit of the brake fluid level switch and a the ground circuit of the brake fluid level switch.
  5. Turn ON the ignition, with the engine OFF.
Does the red Brake indicator illuminate?		 Go to Step 10  Go to Step 7 
5
  1. Turn OFF the ignition.
  2. Disconnect the park brake switch.
  3. Connect a 3 amp fused jumper wire between the signal circuit of the park brake switch and a good ground.
  4. Turn ON the ignition, with the engine OFF.
Does the red Brake indicator illuminate?		 Go to Step 9  Go to Step 6 
6 Test the signal circuit of the park brake switch for a high resistance or a open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 15  Go to Step 11 
7 Test the signal circuit of the brake fluid level switch for a high resistance or a open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 15  Go to Step 8 
8 Test the ground circuit of the brake fluid level switch for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 15  Go to Step 11 
9 Inspect for poor case ground or poor connections at the harness connector of the park brake switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 15  Go to Step 12 
10 Inspect for poor connections at the harness connector of the brake fluid level switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 15  Go to Step 13 
11 Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 15  Go to Step 14 
12 Replace the park brake switch. Refer to Park Brake Lever Assembly Replacement in Park Brake.
Did you complete the repair?		 Go to Step 15  -
13 Replace the brake fluid level switch. Refer to Master Cylinder Fluid Level Sensor Replacement .
Did you complete the repair?		 Go to Step 15  -
14 Replace the body control module. Refer to Body Control Module Replacement in body control system.
Did you complete the repair?		 Go to Step 15  -
15 Operate the vehicle in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 2 
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