VR30DDTT engine
- CHECK FUEL INJECTOR RELAY
- Turn ignition switch OFF.
- Remove fuel injector relay.
- Check the continuity between fuel heater relay terminals as per the following conditions.
Fuel injector relay
Conditions
Continuity
+
-
Terminal
3
5
12 V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
6
7
12 V direct current supply between terminals 1 and 2
Existed
No current supply
Not existed
Is the inspection result normal?
YES
INSPECTION END
NO
Replace fuel injector relay.