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Home >> Dodge and Ram >> 1994 >> Intrepid Base, 3.5 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Controls - Tests W/Codes - Body Control Computer (Convert)) >> Self-Diagnostic Tests >> Test 39B - Repairing Brake Warn Lamp & Brake Pressure SW Problems
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Test 39B - Repairing Brake Warn Lamp & Brake Pressure SW Problems

WARNING: This page is about a different car, the 1994 Chrysler LeBaron. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For connector terminal identification, see CONNECTOR  IDENTIFICATION. For wiring diagram, see WIRING DIAGRAMS  . Perform TEST VER-1 after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
  1. If vehicle is equipped with anti-lock brakes, see ANTI-LOCK BRAKE SYSTEM article in BRAKES section. If vehicle is not equipped with anti-lock brakes, go to next step.
  2. Check brake fluid level in reservoir. If fluid level is not within specification, check for leaks and repair as needed. If fluid is within specification, go to next step.
  3. Depress brake pedal. If problem with service brakes exists, see appropriate DISC & DRUM article in BRAKES section. If no problem with service brakes exists, go to next step.
  4. While depressing brake pedal, observe brake warning lamp on dash. if brake warning lamp is on, go to next step. If brake lamp is off, go to TEST 39C.
  5. Release brake pedal. Disconnect brake pressure warning switch connector, located below master cylinder. Check, clean and repair connections as needed. If brake warning lamp goes out, replace brake pressure warning switch. If brake warning lamp does not go out, go next step.
  6. Disconnect instrument cluster Red connector. Check, clean and repair connections as needed. Put DRB in ohmmeter mode. Measure resistance in instrument cluster Red connector Gray/Black wire. If resistance is more than 5 ohms, replace instrument cluster. If resistance is less than 5 ohms, go to next step.
  7. Disconnect ignition switch connector. Check, clean and repair connections as needed. Measure resistance in instrument cluster Red connector Gray/Black wire. If resistance is more than 5 ohms, replace ignition switch. If resistance is less than 5 ohms, repair Gray/Black wire between ignition switch and instrument cluster Red connector for short to ground.
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