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OK If the test result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs
. HINT: If a permanent DTC is output, the system is malfunctioning. 15. INSPECTION PROCEDURE HINT: Read freeze frame data using the Techstream. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame PROCEDURE 1. CHECK ANY OTHER DTCS OUTPUT (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes. (e) Read DTCs. Result RESULT PROCEED TO DTC P050A A DTC P050A and other DTCs B HINT: If any DTCs other than P050A are output, troubleshoot those DTCs first. NG GO TO DTC CHART 2. READ VALUE USING TECHSTREAM (FUEL TRIM) HINT: (b) Turn the ignition switch to ON and turn the Techstream ON. (c) Enter the following menus: Powertrain / Engine and ECT / Data List / A/F Control System / 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: P050A; Cold... |