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Electrical Testing - Ignition and Injection System



Electrical Testing - Ignition And Injection System

Requirements

Battery OK
Fuel pump and fuel pump relay OK
Idle stabilizer control unit OK

Note: Internal resistance of the test equipment and ambient temperature have a strong influence on test results, digital multimeter US1119 should be used to perform testing.

The specified values given are for ambient temperatures of 0° to +40°C (32° - 104°F)

If the measured value deviates from the specified values, determine fault according to current flow diagram. Check wiring and connectors before replacing any parts.

CAUTION: To avoid damage to circuitry, switch to the proper measuring range before connecting the test leads of digital multimeter


ECU Connector Pin Designation:






Test Chart 1, Steps 1 To 4:






Test Chart 2, Steps 5 To 11: