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B1648-REAR RIGHT TURN CONTROL CIRCUIT HIGH (CONTINUED) For the Exterior Lighting System circuit diagram (Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERIOR - For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes (L62) TURN SIGNAL CONTROL CIRCUIT POWER DISTRIBUTION CENTER FRONT CONTROL MODULE Diagnostic Test 1. TEST FOR INTERMITTENT CONDITION Turn the ignition on. Clear all FCM DTC’s Turn the Right Turn Signal on. With the scan tool, read DTC’s. Does the scan tool read: B1648-REAR RIGHT TURN CONTROL CIRCUIT HIGH? Yes >> Go To 2 No >> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche- matic as a guide, inspect the wiring and connectors. Perform BODY VERIFICATION TEST - VER 1. 2. L62 RIGHT TURN SIGNAL CONTROL CIRCUIT Turn the ignition off. Disconnect the PDM connector from the FCM. Measure the resistance of the (L62) Right Rear Turn Signal Control Is the resistance above 5.0 ohms? No >> Repair the (L62) Turn Signal Control circuit. Perform BODY VERIFICATION TEST - VER 1. Yes >> Go To 3 HB LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS 8L - 39 |