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P0870-OD HYDRAULIC PRESSURE TEST (CONTINUED) 6. (T9) OD PRESSURE SWITCH SENSE CIRCUIT OPEN Turn the ignition off to the lock position. Disconnect the PCM C4 harness connector. Disconnect the Transmission Solenoid/Pressure Switch Assembly har- 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 (T9) OD Pressure Switch Sense circuit for an open. Perform 42RLE TRANSMISSION VERIFICATION TEST - No >> Go To 7 7. (T9) OD PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND Measure the resistance between ground and the (T9) OD Pressure Is the resistance below 5.0 ohms? Yes >> Repair the (T9) OD Pressure Switch Sense circuit for a short to ground. Perform 42RLE TRANSMISSION VERIFICATION TEST - No >> Go To 8 HB AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS 21 - 113 |