Component Location
Description
1. General Description

The Engine control module (ECM) is installed in the passenger compartment to protect it from external impact. The ECM with a lot of chips and circuits processes the input signals according to control algorithms. Voltage regulator in the ECM controls power supply to output transistor.

2. DTC Description

The ECM will set a code if an error is detected in the ECM’s voltage regulator malfunction during. two driving cycles.

DTC Detecting Condition

DTC NO.

Detecting Condition

Possible Cause

P 1636

● P 1636

Error is recognized if the engine speed is not drop below 550 rpm within 1.5 sec. after the ignition switch off(Lower or Upper regulator limit faulty)

● Engine Condition : IG OFF

● Fuel Limit : NO

● Fuel Cut : NO

● EGR OFF : NO

● MIL : NO

ECM

Яндекс.Метрика