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P1775-SOLENOID SWITCH VALVE LATCHED IN TCC POSITION (CONTINUED) 5. (T16) TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN Turn the ignition off to the lock position. Disconnect the Transmission Solenoid/Pressure Switch Assembly har- Disconnect the PCM C4 harness connector. Remove the Transmission Control Relay. Remove the Starter Relay. NOTE: Check connectors - Clean/repair as necessary. CAUTION: Do not probe the PCM harness connectors. Probing NOTE: The test light must illuminate brightly. Compare the bright- Does the test light illuminate brightly on all Transmission Con- Yes >> Repair the (T16) Transmission Control Relay Output circuit for an open. Perform 42RLE TRANSMISSION VERIFICATION TEST - No >> Go To 6 6. (T50) L/R PRESSURE SWITCH SENSE CIRCUIT OPEN Measure the resistance of the (T50) L/R Pressure Switch Sense circuit Is the resistance above 5.0 ohms? Yes >> Repair the (T50) L/R Pressure Switch Sense circuit for an open. Perform 42RLE TRANSMISSION VERIFICATION TEST - No >> Go To 7 HB AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS 21 - 149 |