Component Function Check
- PERFORM COMPONENT FUNCTION CHECK-1
Without CONSULT
- Start engine and warm it up to the 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 terminals as per the following condition.
DTC
ECM
Condition
Voltage
Connector
+
-
Terminal
P0137
F77
57
59
Revving up to 4, 000 rpm under no load at least 10 times
The voltage should be above 0.70 V at least once during this procedure.
P0157
58
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 2 .
- PERFORM COMPONENT FUNCTION CHECK-2
Check the voltage between ECM harness connector terminals as per the following condition.
DTC
ECM
Condition
Voltage
Connector
+
-
Terminal
P0137
F77
57
59
Keeping engine at idle for 10 minutes
The voltage should be above 0.70 V at least once during this procedure.
P0157
58
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 3 .
- PERFORM COMPONENT FUNCTION CHECK-3
Check the voltage between ECM harness connector terminals as per the following condition.
DTC
ECM
Condition
Voltage
Connector
+
-
Terminal
P0137
F77
57
59
Coasting from 80 km/h (50 MPH) in D position
The voltage should be above 0.70 V at least once during this procedure.
P0157
58
Is the inspection result normal?
YES
INSPECTION END
NO
Proceed to Diagnosis Procedure .