DTC P0123: TP Sensor A Circuit High Voltage Turn the ignition switch ON (II). Clear DTC with the HDS. Check TP SENSOR-A in the DATA LIST with the HDS. Is there about 4.8 V or higher?
YES | - | Go to Step 4 .
NO | - | Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the throttle body and the throttle actuator control module.■
Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. Are DTC P0123 and P0223 indicated at the same time?
YES | - | Go to Step 11 .
NO | - | Go to Step 5 .
Measure voltage between throttle body 6P connector terminal No. 1 and body ground. Is there about 5 V?
YES | - | Go to Step 16 .
NO | - | Go to Step 6 .
Turn the ignition switch OFF. Disconnect the throttle actuator control module 16P connector. Disconnect the throttle body 6P connector. |