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P0706-TRANSMISSION RANGE SENSOR RATIONALITY (CONTINUED) 4. MONITOR TRS SENSE CIRCUITS Reconnect all disconnected connectors. Turn the ignition on, engine not running. With the scan tool, monitor the TRS Sense circuits - C1 through C4. Move the shift lever through all gear positions, pausing momentarily in each gear position. Watch for one of the Select the circuit that did not change state. TRS (T1) sense (C4) Go To 5 TRS (T3) sense (C3) Go To 8 TRS (T41) sense (C1) Go To 11 TRS (T42) sense (C2) Go To 14 5. TRS (T1) SENSE CIRCUIT OPEN Turn the ignition off to the lock position. Disconnect the TRS harness connector. 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 TRS (T1) Sense circuit for an open. Go To 19 No >> Go To 6 21 - 92 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS ND |