Toyota Camry (XV70): Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system.
If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the emission control system. Your vehicle may not pass the I/M test and may need to be repaired. Contact your Toyota dealer to service the vehicle.
Your vehicle may not pass the I/M test in the following situations:
- When the battery is disconnected or discharged
Readiness codes that are set during ordinary driving are erased.Also, depending on your driving habits, the readiness codes may not be completely set.
- When the fuel tank cap is loose
The malfunction indicator lamp comes on indicating a temporary malfunction and your vehicle may not pass the I/M test.
When the malfunction indicator lamp still remains on after several driving trips
The error code in the OBD system will not be cleared unless the vehicle is driven 40 or more times.
If your vehicle does not pass the I/M test
Contact your Toyota dealer to prepare the vehicle for re-testing.
READ NEXT:
Do-it-yourself service
precautions
If you perform maintenance by yourself, be sure to follow the
correct procedure as given in these sections.
WARNING
The engine compartment contains many mechanisms and fluids that may
move sudde
Hood
Release the lock from the inside of the vehicle to open the hood.
1. Pull the hood lock release lever.
The hood will pop up slightly.
2. Pull up the auxiliary catch lever
and lift the hood.
SEE MORE:
Assist Map Number Mismatch (C1582)
DESCRIPTION When an incorrect ECM, main body ECU (multiplex network body ECU) or skid control ECU (brake actuator assembly) is installed after the assist map has been written to the power steering ECU (rack and pinion power steering gear assembly), DTC C1582 is stored because the information stored
Check Bus 5 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus lines and GND when there is no resistance between terminal 15 (CA5H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 16 (CA5L) of the central gateway ECU (network gateway ECU) and termin
