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• When Monitored: • Set Condition: Possible Causes HORN RELAY SHORTED (X3) HORN RELAY CONTROL CIRCUIT SHORTED BODY CONTROL MODULE (BCM) Diagnostic Test 1. VERIFY THAT THE DTC IS ACTIVE Turn the ignition on. With the scan tool, erase BCM DTCs. With the scan tool, actuate the Horn Relay. With the scan tool, read BCM DTCs. Does the scan tool display: HORN RELAY OUTPUT HIGH? Yes >> Go To 2 No >> The condition that caused this symptom is not currently present. Inspect the related wiring harness for a possible intermittent condition. Look for any chafed, pierced, pinched or partially broken wires. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 2. CHECK FOR A SHORTED HORN RELAY Turn the ignition off. Install a substitute Horn Relay in place of the existing relay. Turn the ignition on. With the scan tool, erase BCM DTCs. With the scan tool, actuate the Horn Relay. With the scan tool, read BCM DTCs. Does the scan tool display: HORN RELAY OUTPUT HIGH? Yes >> Go To 3 No >> Replace the original Horn Relay in accordance with the Ser- vice Information. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - CONTROL MODULES - STANDARD PROCEDURE). 8Q - 4 VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS KJ |