Inspection steps

MIL illumination check

Turn the ignition switch to ON.
Check that the MIL illuminates in the combination meter ASSY.

RESULT DESCRIPTION

Result	Go to
Does not illuminate	A
Illuminates	B

B: Go to related circuit inspection listed in symptom table (Refer to SYMPTOM TABLE ).

A: Go to next step

Reading of SSM4 data

Connect the SSM4 to the DLC3.
Turn the ignition switch to ON.
Check that the communication between SSM4 and engine control computer can be executed normally.

NOTE: [Data monitor] for engine can be checked.

RESULT DESCRIPTION

Result	Go to
Communication not detected.	A
Communication detected.	B

B: Go to MIL circuit inspection (Refer to MIL CIRCUIT )

A: Go to next step

Check throttle body ASSY (with motor) (short-circuit inspection)

Disconnect the connector for throttle body ASSY.
Turn the ignition switch to ON.
Check the MIL in the combination meter ASSY

RESULT DESCRIPTION

Result	Go to
Does not illuminate	A
Illuminates	B

B: Replacement of throttle body ASSY (with motor) (Refer to REMOVAL )

A: Go to next step

Check air pressure sensor ASSY (short-circuit inspection)

Disconnect the connector for air pressure sensor ASSY.
Turn the ignition switch to ON.

RESULT DESCRIPTION

Result	Go to
Does not illuminate	A
Illuminates	B

B: Replacement of air pressure sensor ASSY (Refer to REMOVAL )

A: Go to next step

Check fuel pressure sensor (short-circuit inspection)

Disconnect the connector for the fuel pressure sensor.
Turn the ignition switch to ON.
Check the MIL in the combination meter ASSY.

RESULT DESCRIPTION

Result	Go to
Does not illuminate	A
Illuminates	B

B: Replacement of the fuel pressure sensor (Refer to REMOVAL )

A: Go to next step

Check accelerator pedal sensor ASSY (short-circuit inspection)

Disconnect the connector for accelerator pedal sensor ASSY.
Turn the ignition switch to ON.
Check the MIL in the combination meter ASSY.

RESULT DESCRIPTION

Result	Go to
Does not illuminate	A
Illuminates	B

B: Replacement of accelerator pedal sensor ASSY (Refer to ACCELERATOR PEDAL ROD ASSY (FA20) )

A: Go to next step

Check battery current sensor (short-circuit inspection)

Disconnect the connector for battery current sensor.
Turn the ignition switch to ON.
Check the MIL in the combination meter ASSY

RESULT DESCRIPTION

Result	Go to
Does not illuminate	A
Illuminates	B

B: Replacement of battery current sensor (Refer to BATTERY SENSOR )

A: Go to next step

Check canister pump module (short-circuit inspection)

Disconnect the connector for canister pump module.
Turn the ignition switch to ON.
Check the MIL in the combination meter ASSY.

RESULT DESCRIPTION

Result	Go to
Does not illuminate	A
Illuminates	B

B: Replacement of canister pump module

A: Go to next step

Check wiring harness and connector (short-circuit inspection)

NOTE: For the inspection procedure and precautions for wiring harnesses and connectors, refer to INSPECTION PROCEDURES FOR ELECTRICAL CIRCUITS AND HOW TO PERFORM .

Disconnect the connector for throttle body ASSY.
Disconnect the connector for air pressure sensor ASSY.
Disconnect the connector for the fuel pressure sensor.
Disconnect the connector for accelerator pedal sensor ASSY.
Disconnect the connector for battery current sensor.
Disconnect the connector for the engine control computer.
Measure the resistance between the terminals. (For terminal arrangement, refer to ECM TERMINAL ARRANGEMENT .)

STANDARD VALUE RESISTANCE SPECIFICATION

Inspection terminals	Inspection conditions	Standard value
A36-19 (VC) - chassis ground	Always	10 k Ω or more
A35-22 (VCP2) - chassis ground	Always	10 k Ω or more
A35-21 (VCPA) - chassis ground	Always	10 k Ω or more

NG: Repair or replacement of wiring harness or connector

OK: Go to next step

Replacement of the engine control computer (Refer to REMOVAL )