Diagnosis Procedure

1. Turn ignition switch ON.
2. Connect CONSULT and check for ENGINE diagnostic trouble codes.
3. Check for DTC P0113-00 being past on the CONSULT screen.

Is applicable DTC detected?

YES

Refer to Intermittent Incident .

NO

GO TO 2 .

1. Turn ignition switch OFF.
2. Disconnect intake manifold temperature sensor connector F143.
3. Inspect the harness and sensor connector pins for the following:
   • Loose connector
   • Corroded pins
   • Bent or broken pins
   • Pushed back or expanded pins
   • Moisture in or on the connector
   • Missing or damaged connector seals
   • Dirt or debris on or in the connector pins
   • Connector shell broken
   • Wire insulation damage
   • Damaged connector locking tab

Is the inspection result normal?

YES

GO TO 3 .

NO

Repair or replace error-detected parts.

1. Intake manifold temperature sensor connector F143 remains disconnected.
2. Connect a jumper wire between terminals 1 and 2 of the intake manifold temperature sensor connector F143.
3. Turn ignition switch ON.
4. Check for DTC P0112-00 being current and P0113-00 being past on the CONSULT screen after 30 seconds.

Are the applicable DTCs detected?

YES

GO TO 4 .

NO

GO TO 5 .

1. Turn ignition switch OFF.
2. Connect the intake manifold temperature sensor connector F143.
3. Turn ignition switch ON.
4. Check for DTC P0113-00 being current on the CONSULT screen after 30 seconds.

Is applicable DTC detected?

YES

Replace the intake manifold temperature sensor. Refer to Removal and Installation .

NO

Refer to Intermittent Incident .

1. Turn ignition switch OFF.
2. Disconnect ECM connector F101.
3. Inspect the harness and module connector pins for the following:
   • Loose connector
   • Corroded pins
   • Bent or broken pins
   • Pushed back or expanded pins
   • Moisture in or on the connector
   • Missing or damaged connector seals
   • Dirt or debris on or in the connector pins
   • Connector shell broken
   • Wire insulation damage
   • Damaged connector locking tab

Is the inspection result normal?

YES

GO TO 6 .

NO

Repair or replace error-detected parts.

1. Connect a jumper wire between terminals 170 and 195 of the ECM connector F101.
2. Turn ignition switch ON.
3. Check for DTC P0112-00 being current and P0113 being past on the CONSULT screen after 30 seconds.

Are the applicable DTCs detected?

YES

GO TO 7 .

NO

Replace the ECM. Refer to Removal and Installation .

1. Turn ignition switch OFF.
2. Remove the jumper wire between terminals 170 and 195 of the ECM connector F101.
3. Disconnect intake manifold temperature sensor connector F143.
4. Check resistance between ECM connector F101 and intake manifold temperature sensor connector F143.

   ECM		Intake manifold temperature sensor		Resistance
   Connector	Terminal	Connector	Terminal
   F101	170	F143	1	< 10 Ω

Is the inspection result normal?

YES

GO TO 8 .

NO

An open return circuit has been detected in the engine harness. Repair or replace the engine harness.

Check resistance between ECM connector F101 and intake manifold temperature sensor connector F143.

Is the inspection result normal?

YES

GO TO 9 .

NO

An open signal circuit has been detected in the engine harness. Repair or replace the engine harness.

Check resistance between ECM connector F101 and intake manifold temperature sensor connector F143.

Is the inspection result normal?

YES

GO TO 10 .

NO

A pin to pin short circuit has been detected on the signal circuit in the engine harness. Repair or replace the engine harness.

1. Connect all components.
2. Turn ignition switch ON.
3. Check for DTC P0113-00 being past on the CONSULT screen after 30 seconds.

Is applicable DTC detected?

YES

Refer to Intermittent Incident .

NO

GO TO 1.