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P1115-GENERAL TEMPERATURE RATIONALITY For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes SENSOR SIGNAL CIRCUIT HIGH RESISTANCE SENSOR GROUND CIRCUIT HIGH RESISTANCE TEMPERATURE SENSOR POWERTRAIN CONTROL MODULE (PCM) Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - Diagnostic Test 1. ACTIVE DTC Ignition on, engine not running. With a scan tool, select View DTCs. NOTE: Diagnose and repair any AAT, ECT, and IAT sensor DTCs before continuing with this test. NOTE: Diagnose and repair P1607 PCM INTERNAL SHUTDOWN TIMER SLOW RATIONALITY or P2610 PCM NOTE: Using an unapproved block heater in cold temperatures may cause this DTC to set. No repair is Is the status Active for this DTC? Yes >> Go to 2 No >> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) 2. TEMPERATURE SENSOR CIRCUIT VALUE IMPLAUSIBLE NOTE: Allow the engine sit for 6 - 8 hours before testing. Start the engine. Allow the engine to reach normal operating temperature. Does the value for each of the sensors increase smoothly and as expected? Yes >> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) No >> Go to 3 PM ENGINE ELECTRICAL DIAGNOSTICS - GPEC 9 - 607 |