Es

INSPECT THROTTLE BODY (RESISTANCE OF THROTTLE ACTUATOR)

Component Side:

Throttle Body

Jli-ifl

Co

5

4

3

2

i>

M+

M-

ÈI

A059778E21

(a) Disconnect the C5 throttle body connector.

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

Standard resistance

Tester Connection

Specified Condition

2 (M+) - 1 (M-)

0.3 to 100 n at 20°C (68°F)

(c) Reconnect the throttle body connector.

REPLACE THROTTLE BODY ASSEMBLY

CHECK HARNESS AND CONNECTOR (THROTTLE ACTUATOR - ECM)

Wire Harness Side:

@ Throttle Body Connector M+

@ Throttle Body Connector M+

Front View ECM Connector

/; ' 11 11

4

/

\

II II

\J

l\

v-

Front View M+

(a) Disconnect the C5 throttle body connector.

(b) Disconnect the C24 ECM connector.

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

Standard resistance (Check for open)

Tester Connection

Specified Condition

C5-2 (M+) - C24-42 (M+)

Below 1 Q

C5-1 (M-) - C24-41 (M-)

Below 1 Q

Standard resistance (Check for short)

Tester Connection

Specified Condition

C5-2 (M+) or C24-42 (M+) - Body ground

10 kQ or higher

C5-1 (M-) or C24-41 (M-) - Body ground

10 kQ or higher

(d) Reconnect the throttle body connector.

(e) Reconnect the ECM connector.

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPAIR OR REPLACE HARNESS OR CONNECTOR

INSPECT THROTTLE BODY ASSEMBLY

(a) Check for foreign objects between the throttle valve and the housing. OK:

No foreign objects between throttle valve and housing.

REMOVE FOREIGN OBJECT AND CLEAN THROTTLE BODY

INSPECT THROTTLE VALVE

(a) Check if the throttle valve opens and closes smoothly. OK:

Throttle valve opens and closes smoothly.

REPLACE THROTTLE BODY ASSEMBLY

REPLACE ECM

DTC

P2111

Throttle Actuator Control System - Stuck Open

DTC

P2112

Throttle Actuator Control System - Stuck Closed

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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