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Home >> Isuzu >> 1989 >> Pickup 4WD L4-2.3L (4ZD1) >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Service and Repair
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Engine Control Module: Service and Repair

ECM:






This component is non-serviceable and must be replaced as a unit, do not try to disassemble components.


REMOVAL
1. Negative battery cable
2. Lower left trim panel
3. Remove passenger seat assembly.
4. Disconnect ECM harness connector.
5. Remove ECM bracket retaining bolts, then ECM.


NOTE: To prevent possible Electronic Discharge damage to the ECM, Do not touch the connector pins or soldered components on the circuit board.


INSTALLATION
1. ECM
2. ECM electrical connectors (2)
3. Lower left trim panel
4. Passenger seat Assembly. torque passenger seat retaining bolts to 29 ft. lbs.
5. Negative battery cable

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