DTC P0098: IAT Sensor 2 Circuit High Voltage

1. Turn the ignition switch ON (II).

1. Check IAT SENSOR 2 in the DATA LIST with the HDS.

Is about 4.90 V or higher indicated?

YES | - | Go to Step 3 .
NO | - | Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the MAP/IAT sensor and the ECM.■

1. Check for Temporary DTCs or DTCs with the HDS.

Are DTC P0098 and P0108 indicated at same time?

YES | - | Go to Step 4 .
NO | - | Go to Step 14 .

1. Turn the ignition switch OFF.

1. Disconnect the MAP/IAT sensor 4P connector.

1. Connect MAP/IAT sensor 4P connector terminals No. 3 and No. 4 with a jumper wire.

1. Turn the ignition switch ON (II).

1. Check IAT SENSOR 2 in the DATA LIST with the HDS.

Is about 4.90 V or higher indicated?

YES | - | Go to Step 9 .
NO | - | Go to Step 24 .

1. Turn the ignition switch OFF, and wait 30 seconds.

1. Remove the jumper wire from the MAP/IAT sensor 4P connector.

1. Disconnect ECM connector No. 1 (96P).