REMOVAL AND INSTALLATION


caution
  • When the engine-ECU replacement is performed, always refer to GROUP 54A - Ignition Switch, Encrypted Code Registration Criteria Table .
  • After the engine-ECU is replaced, learn the neutral position using M.U.T.-III (Refer to GROUP 00 - Precautions before Service, Leaning Procedure for neutral position ) <AS&G>.
  • After the engine-ECU is replaced, idling speed may be unstable because the MPI engine learning is not completed. To make it stable, make the system learn the idling (Refer to GROUP 00 - Precautions before Service, Learning Procedure for Idling in MPI Engine ).
Pre-removal and Post-installation Operation
  • Battery Removal and Installation (Refer to GROUP 54A, Battery ).




Removal steps

>>A<<
 ·
 Initialisation <Installation only>

>>A<<
 ·
 Variant coding <Installation only>


1.
 Engine-ECU protector


2.
 Engine-ECU and bracket assembly mounting bolt and nut


3.
 Engine-ECU connector connection


4.
 Engine-ECU and bracket assembly


5.
 Engine-ECU bracket


6.
 Engine-ECU

INSTALLATION SERVICE POINT

>>A<< VARIANT CODING/INITIALISATION
1.When the engine-ECU is replaced, perform the variant coding (Refer to GROUP 00, Precautions Before Service - How to Perform Variant Coding ).
2.After the variant coding, initialise the electronic-controlled throttle valve system as following procedure.
(1) Turn the ignition switch from "ON" position to "LOCK" (OFF) position, and then hold "LOCK" (OFF) position for approximately 10 seconds or more.