Test No. 2 - Check Engine Light Inoperative

NOTE: Before replacing ECM, check resistance of ECM-controlled relay and solenoid coils.

NOTE: See wiring diagrams in: 2.3L: WIRING DIAGRAMS - 2.3L , Pickup 2.6L: WIRING DIAGRAMS - 2.6L , Passport and Rodeo 2.6L: WIRING DIAGRAMS - 2.6L article for terminal and connector identification.

Use thes articles for coil terminal identification of solenoids and relays. Replace any solenoid or relay with less than 20 ohms resistance.

Fig 1: Test No. 2 - Airflow Sensor Connector

Courtesy of ISUZU MOTOR CO.

Fig 2: Test No. 2 - Data Link Connector

Courtesy of ISUZU MOTOR CO.

Fig 3: Test No. 2 - Diagnostic Flowchart

Courtesy of ISUZU MOTOR CO.