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01 SJC8A00K77100092252FAAT30 − − − − DTC P2252: DTC P2255: YES NO YES NO 11-168 PGM-FI System DTC Troubleshooting (cont’d) PCM CONNECTOR B (44P) VSB2 (RED/BLU)* VSB1 (BLU) Rear A/F Sensor (Bank 1, Sensor 1) VS Circuit Low Voltage Front A/F Sensor (Bank 2, Sensor 1) VS Circuit Low Voltage NOTE: • Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general • Information marked with an asterisk ( ) applies to the front bank (Bank 2). 1. Turn the ignition switch ON (II). 2. Clear the DTC with the HDS. 3. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the 4. Check for Temporary DTCs or DTCs with the HDS. Go to step 5. Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals 5. Turn the ignition switch OFF. 6. Jump the SCS line with the HDS. 7. Disconnect the A/F sensor (Sensor 1) 8P connector. 8. Disconnect PCM connector B (44P). 9. Check for continuity between PCM connector terminal B13 (B14) and body ground. Repair short in the wire between the PCM (B13 (B14) ) and the A/F sensor (Sensor 1), then go Go to step 10. 10. Reconnect PCM connector B (44P). 11. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the Terminal side of female terminals Is DT C P2252 and/ or P2255 indicated? Is ther e continuity? |