FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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1000 - 1999: 1435







1435-00 ANTI-THEFT TOW SENSOR SIGNAL CIRCUIT





When Monitored and Set Condition

- When Monitored: Continuous.
- Set Condition: The Central Locking Pump/Security System Module (CLP/SSM) reports a short to power, ground, or an open circuit failure on the Anti-Theft Tow Sensor Signal circuit.





For a complete Vehicle Theft Security System circuit diagram, Schematics and Diagrams.

Diagnostic Test

1. MEASURE THE RESISTANCE OF THE ANTI-THEFT TOW SENSOR SIGNAL CIRCUIT




Turn the ignition off.
Disconnect the CLP/SSM harness connector.
Disconnect the Anti-Theft Tow Sensor harness connector.

NOTE: Check connectors - Clean/repair as necessary.

Measure the resistance of the Anti-Theft Tow Sensor Signal circuit from the CLP/SSM harness connector to the Anti-Theft Tow Sensor harness connector.
Is the resistance below 5.0 ohms?

Yes

- Go to 2

No

- Repair the Anti-Theft Tow Sensor Signal circuit for an open.
- Perform VTSS VERIFICATION TEST. Vehicle Theft Security Verification Tests

2. MEASURE THE VOLTAGE OF THE ANTI-THEFT TOW SENSOR SIGNAL CIRCUIT




Turn the ignition on.
Measure the voltage of the Anti-Theft Tow Sensor Signal circuit at the Anti-Theft Tow Sensor harness connector.
Is voltage present?

Yes

- Repair the Anti-Theft Tow Sensor Signal circuit for a short to voltage.
- Perform VTSS VERIFICATION TEST. Vehicle Theft Security Verification Tests

No

- Go to 3

3. MEASURE THE RESISTANCE OF THE ANTI-THEFT TOW SENSOR SIGNAL CIRCUIT




Turn the ignition off.
Measure the resistance between ground and the Anti-Theft Tow Sensor Signal circuit at the Anti-Theft Tow Sensor harness connector.
Is the resistance below 10K ohms?

Yes

- Repair the Anti-Theft Tow Sensor Signal circuit for a short to ground.
- Perform VTSS VERIFICATION TEST. Vehicle Theft Security Verification Tests

No

- Replace the Anti-Theft Tow Sensor. Removal.
- Perform VTSS VERIFICATION TEST. Vehicle Theft Security Verification Tests