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B1644-REAR LEFT TURN CONTROL CIRCUIT HIGH (CONTINUED) For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes (L63) 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 Left Turn Signal on. With the scan tool, read DTC’s. Does the scan tool read: B1644-REAR LEFT 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 the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON- 2. LEFT REAR TURN SIGNAL BULB Turn the ignition off. Inspect the Left Rear Turn Signal Bulb Assembly. Is the inoperative bulb OK? Yes >> Go To 3 No >> Replace the Inoperative bulb in accordance with the service information. Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON- 8L - 34 LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS WK |