PINPOINT TEST G531332p24 : THROTTLE MOTOR CONTROL CIRCUIT MALFUNCTION

Pinpoint Tests

PINPOINT TEST G531332p24 : THROTTLE MOTOR CONTROL CIRCUIT MALFUNCTION

G531332t93 : CHECK THE THROTTLE MOTOR - TO ECM CIRCUIT FOR HIGH RESISTANCE
1. Key off.
2. Disconnect the throttle motor electrical connector, PI26.
3. Disconnect the ECM electrical connector, PI300.
4. Measure the resistance between:

Throttle motor connector ECM connector PI300,
PI26, harness side harness side
Pin 02 Pin 74

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
GO to Pinpoint Test G531332t94.

G531332t94 : CHECK THE THROTTLE MOTOR + TO ECM CIRCUIT FOR HIGH RESISTANCE
1. Measure the resistance between:

Throttle motor connector ECM connector PI300,
PI26, harness side harness side
Pin 01 Pin 75

- Is the resistance greater than 5 ohms?

-> YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

-> NO
INSTALL a new throttle body. CLEAR the DTC. TEST the system for normal operation.