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Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURES - P1159-IMPROPER START ATTEMPT

TEST ACTION APPLICABILITY
1
NOTE: If the ECM detects and stores a DTC, the ECM also stores the engine/vehicle operating conditions under which the DTC was set. Some of these conditions are displayed on the DRB at the same time the DTC is displayed.
NOTE: Before erasing stored DTCs, record these conditions. Attempting to duplicate these conditions may assist when checking for an active DTC.
NOTE: This DTC indicates that engine rotation has occurred without an ignition switch Start input. This can occurred when an attempt to start the vehicle using a push start method.
NOTE: Consult with the customer to determine if a push start has been attempted.
Turn the ignition on.With the DRBIII®, erase ECM DTCs.Perform several engine run cycles, turning the ignition off for at least 20 seconds between each engine run cycle.With the DRBIII®, read the ECM DTCs.Did this DTC set again?Yes --> Replace and program the Engine Control Module in accordance with the Service Information.Perform ROAD TEST VERIFICATION - VER-2 .No --> Test complete.Perform ROAD TEST VERIFICATION - VER-2 .		 All
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