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2. CHECK THE (INTERNAL) FUSED B+ CIRCUIT Turn the ignition off to the lock position. Remove the Transmission Control Relay. NOTE: Check connectors - Clean/repair as necessary. NOTE: The test light must illuminate brightly. Compare the bright- Does the test light illuminate brightly? Yes >> Go To 3 No >> Go To 8 3. (T16) TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN Turn the ignition off to the lock position. Remove the Transmission Control Relay. NOTE: Check connectors - Clean/repair as necessary. Ignition on, engine not running. With the scan tool in Transmission Sensors, read the Switched Battery Does the Switched Battery voltage read battery voltage? Yes >> Go To 4 No >> Repair the (T16) Transmission Control Relay Output circuits for an open or high resistance. Note: There are multiple Perform 42RLE TRANSMISSION VERIFICATION TEST - 4. TRANSMISSION CONTROL RELAY Turn the ignition off to the lock position. Install a substitute Relay in place of the Transmission Control Relay. Ignition on, engine not running. With the scan tool in Transmission Sensors, read the Switched Battery voltage. Does the Switched Battery voltage read battery voltage? Yes >> Replace the Transmission Control Relay. Perform 42RLE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21 - TRANSMISSION/ No >> Go To 5 21 - 594 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS LX |