9-73
P00D1, P2195
EAS20660
P00D1, P2195
EAS33115
TROUBLESHOOTING
Item
• [P00D1] O
2
sensor: heater performance deterioration
• [P2195] O
2
sensor: open circuit detected.
Fail-safe system
• Able to start engine
• Able to drive vehicle
Procedure
If more than one DTC is detected at the same time, perform troubleshooting of DTC listed below first.
1. P0657
2. P0030
1. Installed condition of O
2
sensor.
• Check for looseness or pinching.
2. Connection of O
2
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 check result OK?
YES
Go to step 2.
NO
a. Reinstall or replace the O
2
sensor.
Refer to “ENGINE REMOVAL” on page 5-7.
b. Start the engine and let it idle for approximately 1 minute.
c. Check the condition of the DTC using the malfunction mode of the YDT.
Is it in the “Recovered” condition?
YES
Go to step 8, and complete the service.
NO
Go to step 2.
Is the coupler condition normal?
YES
Go to step 3.
NO
a. Connect the coupler securely or replace the wire harness.
b. Start the engine and let it idle for approximately 1 minute.
c. Check the condition of the DTC using the malfunction mode of the YDT.
Is it in the “Recovered” condition?
YES
Go to step 8, and complete the service.
NO
Go to step 3.
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