Diagnosis Procedure
1.
CHECK IGNITION RELAY-2 CONTROL SIGNAL VOLTAGE
Ignition switch OFF.
Disconnect BCM connector.
Check voltage between BCM harness connector and ground.
+
-
Voltage
BCM
Connector
Terminal
M18
33
Ground
9 – 16 V
Is the inspection result normal?
Replace BCM. Refer to
Removal and Installation
.
2.
CHECK IGNITION RELAY-2 CONTROL SIGNAL CIRCUIT (OPEN)
Remove ignition relay-2.
Check continuity between BCM harness connector and fuse block (J/B) terminal.
BCM
Fuse block (J/B)
Continuity
Connector
Terminal
Terminal
M18
33
Ignition relay-2 coil downstream side
Existed
Is the inspection result normal?
Repair the harness or connector.
3.
CHECK IGNITION RELAY-2 CONTROL SIGNAL CIRCUIT (SHORT TO GROUND)
Check continuity between BCM harness connector and ground.
BCM
—
Continuity
Connector
Terminal
M18
33
Ground
Not existed
Is the inspection result normal?
Repair the harness or connector.
4.
CHECK IGNITION RELAY-2
Check ignition relay-2. Refer to
Component Inspection
.
Is the inspection result normal?
INSPECTION END
Replace ignition relay-2.