Wiring Diagram

Refer to the following pages.

• Throttle position sensor circuit (See page ES-112).

• Canister pump module circuit (See page ES-351).

• Accelerator pedal circuit (See page ES-293).

CHECK MIL

(a) Check that the Malfunction Indicator Lamp (MIL) lights up when turning the ignition switch ON. OK: MIL lights up

CHECK CONNECTION BETWEEN INTELLIGENT TESTER AND ECM

(a) Connect an intelligent tester to the DLC3.

(b) Turn the ignition switch ON and turn the tester ON.

(c) Check the communication between an intelligent tester and ECM.

Result

Result

Proceed to

Communication is possible

A

Communication is not possible

GO TO MIL CIRCUIT

CHECK MIL (THROTTLE BODY)

(a) Disconnect the throttle body connector.

(b) Turn the ignition switch ON.

(c) Check the MIL. Result

Result

Proceed to

MIL illuminates

A

MIL does not illuminate

B

(d) Reconnect the throttle body connector.

REPLACE THROTTLE BODY

CHECK MIL (ACCELERATOR PEDAL)

(a) Disconnect the accelerator pedal connector.

(b) Turn the ignition switch ON.

(c) Check the MIL. Result

Result

Proceed to

MIL illuminates

A

MIL does not illuminate

B

(d) Reconnect the accelerator pedal connector.

REPLACE ACCELERATOR PEDAL ASSEMBLY

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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