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P1169- ECM A/D CONVERTER ERROR For a complete wiring diagram Refer to Section 8W • When Monitored: • Set Condition: Possible Causes CHECKING FOR INJECTOR CODES ENGINE CONTROL MODULE INTERMITTENT CONDITION Diagnostic Test 1. CHECKING FOR INJECTOR CODES Turn the ignition on. With the scan tool, read the ECM DTCs. Does the scan tool display any Injector Cylinder DTC? Yes >> Repair Fuel Injector related DTC’s before continuing. Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Go To 2 2. ENGINE CONTROL MODULE NOTE: If the ECM detects and stores a DTC, the ECM also stores the engine/vehicle operating conditions NOTE: Before erasing stored DTCs, record these conditions. Attempting to duplicate these conditions may NOTE: This DTC indicates an internal ECM problem. With the scan tool, erase ECM DTCs. Perform several engine run cycles, turning the ignition off for at least 20 seconds between each engine run cycle. With the scan tool, read the ECM DTCs. Did this DTC set again? Yes >> Replace and program the Engine Control Module in accordance with the Service Information. Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Refer to the *CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING) 9 - 1322 ENGINE DIESEL DIAG KJ |