When a system malfunction is detected, the engine's electronic control unit diagnoses and stores the error

In addition, the check engine warning light in the instrument cluster comes on or flashes to inform the driver

The engine ECM will also store fault diagnostic codes (DTCs).

Diagnostic codes can be accessed using a portable tester.

The time required to clear the control unit of diagnostic codes (DTC) by disconnecting the battery has been increased from 10 seconds (on previous models) to 1 minute.

Toyota Camry Diagnostic Trouble Codes

Toyota Camry Diagnostic Trouble Codes

Toyota Camry Diagnostic Trouble Codes

* "Front" refers to that part of the V-shaped block in which cylinder No. 1 is located, "rear" refers to the other part of the block.

Notes:

  • - The "ON" symbol in the diagnostic mode column means that the "CHECK" indicator lights up when a malfunction is detected.
  • – The symbol "OFF" means that the "CHECK" indicator does not light up when a malfunction is detected, even if the malfunction is fixed.
  • - Symbol "N.A." means that this item is not included in the diagnostic system.

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