|
- Item 43: No. 1 intake air temperature sensor
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|
OK: At ambient temperature
(atmospheric temperature) or equivalent.
|
|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to
GROUP 00 - How to Use Troubleshooting/Inspection Service Points
- How to Cope with Intermittent Malfunctions ).
|
|
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Check No. 1 intake air temperature sensor itself (Refer to
).
|
|
Q.
Is the check result normal?
|
|
Replace the air flow sensor.
|
|
|
|
- Disconnect connector, and measure at harness side.
- Ignition switch: ON
- Voltage between terminal No. 2 and earth.
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Check output line for short circuit.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|
|
- Item 43: No. 1 intake air temperature sensor
|
|
OK: At ambient temperature
(atmospheric temperature) or equivalent.
|
|
Q.
Is the check result normal?
|
|
Intermittent malfunction (Refer to
GROUP 00 - How to Use Troubleshooting/Inspection Service Points
- How to Cope with Intermittent Malfunctions ).
|
|
|
|
Replace the engine-ECU. When the
engine-ECU is replaced, write the chassis number (Refer to GROUP 00 -
Precautions Before Service - How to Perform Chassis Number Writing ). After replacing the
engine-ECU, register the injector identification code and learn fuel
injection (Refer to GROUP 00 - Precautions Before Service -
What The Common Rail Engine Learns ).
|
|
|
|
- Disconnect connector, and measure at harness side.
- Resistance between terminal No. 1 and earth.
|
|
OK: Continuity (2 Ω or
less)
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Check earthing line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|
|
Q.
Is the check result normal?
|
|
Repair
or replace the connector.
|
|
|
|
- Check output line for damage.
|
|
Q.
Is the check result normal?
|
|
Repair
the damaged harness wire.
|
|
|