Symptoms

- Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

Harness or connectors (Throttle control motor relay circuit is open Throttle control motor relay

When Detected

ECM detects a voltage of power source for throttle control motor is excessively low. This self-diagnosis has the one trip detection logic.

Description

Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM.

Information For Specific Makes

P1126 2000 INFINITI G20 P1126 2000 INFINITI I30 P1126 2000 NISSAN ALTIMA P1126 2000 NISSAN MAXIMA P1126 2001 INFINITI G20 P1126 2001 INFINITI I30 P1126 2001 NISSAN ALTIMA P1126 2001 NISSAN MAXIMA P1126 2002 INFINITI G20 P1126 HYUNDAI P1126 LEXUS P1126 TOYOTA