Engine Control Module (Ecm) Removal & Installation (2.0L); Matching Immobilizer Control Module To New Ecm (2.0L); Description; Operation - Chery Tiggo 2009 Service Manual

Engine Control Module (ECM)

Description

The Engine Control Module (ECM) for this model is serviced only as a complete unit.

Operation

The ECM is a pre-programmed, microprocessor-based digital computer. It regulates ignition timing, air-fuel ratio,
emission control devices, charging system, certain transmission features, speed control, air conditioning compressor
clutch engagement and idle speed. The ECM can adapt its programming to meet changing operating conditions.
Removal & Installation
1. Disconnect the negative battery cable.
2. Remove the glove box (See Instrument Panel Removal & Installation in Section 15 Body).
3. Disconnect the ECM electrical connector.
4. Remove the ECM retaining bolts (1).
(Tighten: ECM retaining bolts to 10 N·m)
5. Remove the ECM.
6. Installation is in the reverse order of removal.
Installation Notes:
•
NOTE :
The Immobilizer control module must be matched to
the new ECM before the vehicle will start.
Matching Immobilizer Control Module to New
Engine Control Module (ECM)
Perform the following to match the Immobilizer control
module to the new ECM:
− With the X-431 scan tool, choose T11 series.
− Choose immobilize .
− Choose input code .
− Input the safety code.
− Click the small keyboard.
− Click OK .
− Choose Immobilizer adapt .
− Choose read Immobilizer to ECM immedi-
ately.
− Click OK .
25
g
440
03–
ON-VEHICLE SERVICE
Chery Automobile Co., Ltd.