Component Function Check
- PERFORM COMPONENT FUNCTION CHECK-I
Without CONSULT
- Start engine and warm it up to normal operating temperature.
- Turn ignition switch OFF and wait at least 10 seconds.
- Start engine and keep the engine speed between 3, 500 and 4, 000 rpm for at least 1 minute under no load.
- Let engine idle for 1 minute.
- Check the voltage between ECM harness connector and ground as per the following condition.
ECM
Condition
Voltage
Connector
+
-
Terminal
F25
72
73
Revving up to 4, 000 rpm under no load at least 10 times
The voltage should be above 0.71 V at least once during this procedure.
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 2.
- PERFORM COMPONENT FUNCTION CHECK-II
Check the voltage between ECM harness connector and ground as per the following condition.
ECM
Condition
Voltage
Connector
+
-
Terminal
F25
72
73
Keeping engine speed at idle for 10 minutes
The voltage should be above 0.71 V at least once during this procedure.
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 3.
- PERFORM COMPONENT FUNCTION CHECK-III
Check the voltage between ECM harness connector and ground as per the following condition.
ECM
Condition
Voltage
Connector
+
-
Terminal
F25
72
73
Coasting from 80 km/h (50 MPH) in D position
The voltage should be above 0.71 V at least once during this procedure.
Is the inspection result normal?
YES
INSPECTION END
NO
Proceed to Diagnosis Procedure .