Pickup 2WD L4-2254cc 2.3L SOHC (4ZD1) MFI (1994)
Malfunction Indicator Lamp: Testing and Inspection
NOTE:
Before replacing the ECM use a digital multimeter and check the resistance of each ECM controlled relay and solenoid coil.
Replace any relay or solenoid if the resistance measures less than 20 Ohms.