MIL is not illuminated

Reconnect the ECM connector.

REPLACE ECM

CHECK HARNESS AND CONNECTOR (COMBINATION METER - ECM)

Wire Harness Side:

Combination Meter Connector

Front View

Front View

ECM Connector

Front View

(a) Disconnect the A24 ECM connector.

(b) Disconnect the F2 combination meter connector.

(c) Measure the resistance between the terminals of the wire harness side connectors.

Standard resistance (Check for short)

Tester Connection

Specified Condition

A24-24 (W) or F2-4 (CHK) - Body ground

10 kQ or higher

(d) Reconnect the ECM connector.

(e) Reconnect the combination meter connector.

REPAIR OR REPLACE COMBINATION METER ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

CHECK THAT MIL IS ILLUMINATED

(a) Check if the MIL is illuminated when the ignition switch is turned ON position. OK:

MIL is illuminated.

SYSTEM OK

CHECK THAT ENGINE STARTS

(a) Turn the ignition switch to the ON position.

(b) Start the engine. Result

Result

Proceed to

Engine starts

A

Engine does not start*

*: The intelligent tester cannot communicate with the ECM.

GO TO VC OUTPUT CIRCUIT

INSPECT COMBINATION METER ASSEMBLY (MIL CIRCUIT)

REPAIR OR REPLACE COMBINATION METER ASSEMBLY

CHECK AND REPLACE HARNESS AND CONNECTOR (COMBINATION METER - ECM)

Fuel Pump Control Circuit

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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