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*HORNS INOPERATIVE (CONTINUED) For the Horn System circuit diagram (Refer to 8 - ELECTRICAL/HORN - SCHEMATICS AND DIAGRAMS) For a complete wiring diagram Refer to Section 8W. Possible Causes DTC PRESENT FUSE #45 HORNS HORN GROUND CIRCUIT OPEN HORN RELAY OUTPUT CIRCUIT OPEN HORN SWITCH HORN SWITCH GROUND CLOCKSPRING HORN SWITCH SENSE OPEN INTEGRATED POWER MODULE INSTRUMENT CLUSTER FRONT CONTROL MODULE Diagnostic Test 1. HORN RELAY CONTROL CIRCUIT DTC ACTIVE Turn the ignition on. With the DRBIII T , read FCM DTC’s. Does the DRBIII T display a HORN RELAY CONTROL CIRCUIT DTC active? Yes >> Refer to symptom list. Perform BODY VERIFICATION TEST - VER 1. No >> Go To 2 2. ACTUATE HORN RELAY With the DRBIII T , actuate the Horn Relay. Do the horns operate? Yes >> Go To 3 No >> Go To 7 8H - 12 HORN SYSTEM - ELECRICAL DIAGNOSTICS DR/DH |