Landcruiser 4WD L6-3955cc 4.0L OHV (3F-E) (1988)
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Engine Control Module: Pinout Values and Diagnostic Parameters
INSPECTION OF ELECTRONIC CONTROLLED UNIT (ECU)
NOTE: The Electronic Fuel Injection (EFI) circuit can be checked by measuring the resistance and voltage at the wiring connectors of the
Electronic Control Unit (ECU).
1. MEASURE ECU VOLTAGE.
Check the voltage between each terminal of the wiring connectors.
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Turn the ignition switch to "ON".
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Measure the voltage at each terminal.
