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EAS20569
P0117, P0118
EAS33049
TROUBLESHOOTING
Item
• [P0117] Coolant temperature sensor: ground short circuit detected.
• [P0118] Coolant temperature sensor: open or power short circuit detected.
Fail-safe system
• Able to start engine
• Able to drive vehicle
Procedure
TIP
Perform this procedure when the engine is cold.
1. Connection of coolant temperature sensor coupler.
• Check the locking condition of the coupler.
• Disconnect the coupler and check the pins (bent or broken terminals and locking condition of the
pins).
Is the coupler condition normal?
YES
Go to step 2.
NO
a. Connect the coupler securely or replace the wire harness.
b. Push the ON/start switch, and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the "Recovered" condition?
YES
Go to step 7, and complete the service.
NO
Go to step 2.
2. Connection of ECU coupler.
• Check the locking condition of the coupler.
• Disconnect the coupler and check the pins (bent or broken terminals and locking condition of the
pins).
Is the coupler condition normal?
YES
Go to step 3.
NO
a. Connect the coupler securely or replace the wire harness.
b. Push the ON/start switch, and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the "Recovered" condition?
YES
Go to step 7, and complete the service.
NO
Go to step 3.
9-85
P0117, P0118
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