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4. (A919) FUSED B+ CIRCUIT Turn the ignition off to the lock position. Disconnect the PCM C1 harness connector. NOTE: Check connectors - Clean/repair as necessary. CAUTION: Do not probe the PCM harness connectors. Probing the NOTE: The test light must illuminate brightly. Compare the bright- Does the test light illuminate brightly? Yes >> Go To 5 No >> Repair the Fused B+ circuit for an open. If the fuse is open make sure to check for a short to ground. Perform 42RLE TRANSMISSION VERIFICATION TEST - 5. (Z908) AND (Z977) GROUND CIRCUITS Turn the ignition off to the lock position. Disconnect the PCM C4 harness connector. NOTE: Check connectors - Clean/repair as necessary. NOTE: The test light must illuminate brightly. Compare the bright- Does the test light illuminate brightly for all of the ground cir- Yes >> Go To 6 No >> Repair the Ground circuits for an open. Perform 42RLE TRANSMISSION VERIFICATION TEST - 6. INTERMITTENT WIRING AND CONNECTORS The conditions necessary to set the DTC are not present at this time. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorted and open circuits. With the scan tool, check the EATX DTC EVENT DATA to help identify the conditions in which the DTC was set. Were there any problems found? Yes >> Repair as necessary. Perform 42RLETRANSMISSION VERIFICATION TEST - VER 1. No >> Test Complete. 21 - 216 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS KJ |