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P0888-TRANSMISSION RELAY ALWAYS OFF (CONTINUED) 6. (T15) TRANSMISSION CONTROL RELAY CONTROL CIRCUIT OPEN Turn the ignition off to the lock position. Disconnect the PCM C4 harness connector. NOTE: Check connectors - Clean/repair as necessary. CAUTION: Do not probe the PCM harness connectors. Probing Is the resistance above 5.0 ohms? Yes >> Repair the (T15) Transmission Control Relay Control cir- cuit for an open. Perform 42RLE TRANSMISSION VERIFICATION TEST - No >> Go To 7 7. (T15) TRANSMISSION CONTROL RELAY CONTROL CIRCUIT SHORT TO GROUND Measure the resistance between ground and the (T15) Transmission Is the resistance below 5.0 ohms? Yes >> Repair the (T15) Transmission Control Relay Control cir- cuit for a short to ground. Perform 42RLE TRANSMISSION VERIFICATION TEST - No >> Go To 8 21 - 196 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS ND |