Component Function Check
- PERFORM COMPONENT FUNCTION CHECK-I
WITH GST
- Start engine and warm it up to the normal operating temperature.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 10 seconds.
- Restart 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 terminals under the following conditions.
ECM
Condition
Voltage
+
-
Connector
Terminal
Connector
Terminal
F92
84
F91
43
Revving up to 4, 000 RPM under no load at least 10 times
The voltage should be above 0.74 V at least once during this procedure.
77
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 2.
- PERFORM COMPONENT FUNCTION CHECK-II
Check the voltage between ECM harness connector terminals under the following conditions.
ECM
Condition
Voltage
+
-
Connector
Terminal
Connector
Terminal
F92
84
F91
43
Keeping engine at idle for 10 minutes
The voltage should be above 0.74 V at least once during this procedure.
77
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 3.
- PERFORM COMPONENT FUNCTION CHECK-III
Check the voltage between ECM harness connector terminals under the following conditions.
ECM
Condition
Voltage
+
-
Connector
Terminal
Connector
Terminal
F92
84
F91
43
Coasting from 80 km/h (50 MPH) with selector lever in the D position
The voltage should be above 0.74 V at least once during this procedure.
77
Is the inspection result normal?
YES
INSPECTION END
NO
Go to Diagnosis Procedure .