Engine Control Module (Ecm) Inspection; Inspect Voltage Of Engine Control Module (Ecm) - Toyota 22R-E Service Manual

EG2–254
ENGINE – MFI SYSTEM
ENGINE CONTROL MODULE (ECM)
ENGINE CONTROL MODULE (ECM)
INSPECTION
HINT: The MFI circuit can be checked by measuring
the voltage and resistance at the wiring connectors of
the engine control module (ECM).
1. INSPECT VOLTAGE OF ENGINE CONTROL
MODULE (ECM)
Check the voltage between each terminal of the
wiring connectors.
Turn the ignition switch ON.
Measure the voltage at each terminal.
HINT:
Perform all voltage measurements with the con–
nectors connected.
Verify that the battery voltage is 11 V or more
when the ignition switch is ON.