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• When Monitored: • Set Condition: Possible Causes (C7) BLOWER MOTOR CONTROL CIRCUIT SHORTED TO VOLTAGE (C7) BLOWER MOTOR CONTROL CIRCUIT OPEN BLOWER MOTOR TOTALLY INTEGRATED POWER MODULE (TIPM) Diagnostic Test 1. VERIFY DTC IS ACTIVE Turn the ignition on. With the scan tool, erase DTCs. Turn the ignition off, wait 10 seconds, and turn the ignition on. With the a/c control, turn on the Blower Motor. With the scan tool, read DTCs. Does the scan tool display active: B10EA-BLOWER MOTOR CONTROL CIRCUIT HIGH? Yes >> Go To 2 No >> The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 2. CHECK (C7) BLOWER MOTOR CONTROL CIRCUIT FOR AN OPEN Turn the ignition off. Disconnect the TIPM C8 harness connector. Disconnect the Blower Motor harness connector. Measure the resistance of the (C7) Blower Motor Control circuit Does the ohm meter read open circuit? Yes >> Repair the (C7) Blower Motor Control circuit for an open. Perform BODY VERIFICATION TEST – VER 1. (Refer to 8 ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE). No >> Go To 3 PM HEATING & AIR CONDITIONING ELECTRICAL DIAGNOSTICS 24 - 41 |