DTC P0123: TP Sensor A Circuit High Voltage

1. Turn the ignition switch ON (II).

1. Clear DTC with the HDS.

1. 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.■

1. 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 .

1. 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 .

1. Turn the ignition switch OFF.

1. Disconnect the throttle actuator control module 16P connector.

1. Disconnect the throttle body 6P connector.