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− − − − − − − 01 02 S0X4AZ6K77100090123FAAT00 DTC P0123 ’99-00, ’02-04 Models: YES NO YES NO YES NO 11-114 PGM-FI System DTC Troubleshooting (cont’d) TP SENSOR 3P CONNECTOR SG2 (GRN/BLK) VCC2 (YEL/BLU) SG2 (GRN/YEL)* SG2 (GRN/BLK) VCC2 (YEL/BLU) SG2 (GRN/YEL)* PCM CONNECTOR C (31P) TP Sensor Circuit High Voltage NOTE: Information marked with an asterisk ( ) applies 1. Start the engine. Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan 2. Turn the ignition switch ON (II). 3. Check the throttle position with the scan tool or the HDS. Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at Go to step 4. 4. Turn the ignition switch OFF. 5. Disconnect the TP sensor 3P connector. 6. Turn the ignition switch ON (II). 7. At the wire harness side, measure voltage between TP sensor 3P connector terminals No. 1 and No. 3. Go to step 8. 8. Measure voltage between PCM connector terminals C18 and C28. Repair open in the wire between the PCM (C18) and the TP sensor. Substitute a known-good PCM and recheck (see page 11-5). If the prescribed voltage is now Wire side of female terminals Wire side of female terminals Is ther e about 10 % or 0.5 V when the thr ottle is Is ther e about 5 V ? Is ther e about 5 V ? 03/07/29 09:21:16 61S0X050_110_0114 Replace the throttle body. |