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2. CHECK THE TRANSMISSION SOLENOID/TRS ASSEMBLY Turn the ignition off to the lock position. Remove the Starter Relay. CAUTION: Removal of the Starter Relay will prevent the vehicle from being started in gear. WARNING: The Starter Relay must be removed from the PDC. Failure to do so can result in personal injury NOTE: Failure to remove the Starter Relay can cause a Transmission - No Response condition. Ignition on, engine not running. With the scan tool, perform the Shift Lever Position Test. When the scan tool instructs you to put the Gear Selector in a particular position, you must do so using the selector The LED for the gear position in question must be illuminated on the Transmission Simulator prior to pressing 9 ENTER 9 on the scan tool. NOTE: When the scan tool requests the O/D off button be depressed, you must use the O/D OFF button in NOTE: If the Shift Lever Position test fails, make sure to note the identification of the TRS Sense circuit for Did the Shift Lever Position test pass? Yes >> Remove the Oil Pan and Main Valve Body Assembly per the Service Information. Check for metal debris on top of the TRS Assembly. If debris is present, determine the cause of the debris and repair the trans- Perform the PRNDL Fault Clearing Procedure – Go To 7 No >> Go To 3 3. TRS SENSE CIRCUIT OPEN Turn the ignition off to the lock position. Disconnect the Transmission Simulator, Miller tool #8333. Disconnect the PCM harness connectors and install Miller tool #8815. CAUTION: Do not probe the PCM harness connectors. Probing the PCM harness connectors will damage Is the resistance above 5.0 ohms? Yes >> Repair the identified (T1, T3, T41, or T42) TRS Sense circuit for an open. Perform the PRNDL Fault Clearing Procedure – Go To 7 No >> Go To 4 21 - 76 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS KJ |