Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHRYSLER1999LHSREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM - TEVES MARK 20
1999 Chrysler LHS
Anti-Lock Brake System - TEVES Mark 20
1999 Chrysler LHSSECTION Anti-Lock Brake System - TEVES Mark 20
- Description
- Operation
- System Operation
- Component Operation
- ABS System Relay
- Amber ABS Warning Light
- Red BRAKE Warning Light
- Brakelight Switch
- Controller Anti-Lock Brake (CAB)
- Hydraulic Control Unit (HCU)
- Low Brake Fluid Switch
- Pump/Motor Relay
- Proportioning Valves
- Traction Control Switch
- Traction Control Function (TRAC ON) Light
- Traction Control Warning (TRAC OFF) Light
- Wheel Speed Sensor (WSS)/Tone Wheel Assemblies
- Self-Diagnostic System Operation
- Bleeding Brake System
- Diagnosis & Testing
- Component Testing
- Self-Diagnostics Tests
- Notes
- Connector Identification
- Test 1A: Checking System For Fault Messages
- Test 2A: Left Front Sensor Circuit Failure
- Test 3A: Left Front Sensor Signal Failure
- Test 4A: Right Front Sensor Circuit Failure
- Test 5A: Right Front Sensor Signal Failure
- Test 6A: Left Rear Sensor Circuit Failure
- Test 7A: Left Rear Sensor Signal Failure
- Test 8A: Right Rear Sensor Circuit Failure
- Test 9A: Right Rear Sensor Signal Failure
- Test 10A: Pump Motor Circuit Not Working Properly
- Test 11A: Cab Power Feed Circuit
- Test 12A: Controller Failure
- Test 13A: System UNDERVOLTAGE
- Test 14A: PCI Bus Communication
- Test 15A: System OVERVOLTAGE
- Test 16A: Traction Control Switch
- Test 17A: BRAKELIGHT Switch
- Test 18A: Abs Warning Light
- Test 19A: Traction Control Warning (TRAC Off) Light
- Test 20A: Traction Control Function (TRAC On) Light
- Test 21A: No Response
- Test 21B: No Response
- Test 22A: Intermittent WSS
- Test VER-1A: Verification Test
- Removal & Installation
- Adjustments
- Torque Specifications
- Wiring Diagrams
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.