9-89
P0122, P0123, P0222, P0223, P2135
EAS20570
P0122, P0123, P0222, P0223, P2135
EAS33050
TROUBLESHOOTING
Item
• [P0122] Throttle position sensor: ground short circuit detected.
• [P0123] Throttle position sensor: open or power short circuit detected.
• [P0222] Throttle position sensor: open or ground short circuit detected.
• [P0223] Throttle position sensor: power short circuit detected.
• [P2135] Throttle position sensor: output voltage deviation error.
Fail-safe system
• Able/Unable to start engine
• Able/Unable to drive vehicle
Procedure
If a DTC other than P2135 (P0122, P0123, P0222, P0223) is detected, perform troubleshooting first.
1. Connection of throttle position 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).
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 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 9, 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. Push the ON/start switch, and then check the condition of the DTC using the malfunction mode
of the YDT.
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