VR30DDTT engine
- CHECK FUSE
- Turn ignition switch OFF.
- Disconnect 15 A fuse (No. 49) from IPDM E/R.
- Check that 15 A fuse is not blowing.
Is the fuse blown (open)?
YES
Replace the fuse. [Check the power supply if fuse is blown (open) again.]
NO
GO TO 2.
- CHECK FUSIBLE LINK
- Turn ignition switch OFF.
- Check that the following fusible link is not blowing.
Location
Fuse No.
Capacity
Fuse and fusible link holder-1
No. V
50 A
No. W
50 A
Is the fusible link blown (open)?
YES
Replace the fuse. [Check the power supply if fusible link is blown (open) again.]
NO
GO TO 3.
- CHECK GROUND CONNECTION
Check ground connection E191. Refer to Ground Inspection in Inspection .
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace error-detected parts.
- CHECK ELECTRIC INTAKE VALVE TIMING CONTROL MODULE GROUND CIRCUIT
- Disconnect electric intake valve timing control module harness connectors.
- Check the continuity between electric intake valve timing control module harness connector and ground.
+
-
Continuity
Electric intake valve timing control module
Connector
Terminal
E154
41
Ground
Existed
- Also check harness for short to power.
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace error-detected parts.
- CHECK ELECTRIC INTAKE VALVE TIMING CONTROL MODULE POWER SUPPLY
- Reconnect electric intake valve timing control module harness connectors.
- Check the voltage between electric intake valve timing control module harness connector terminals as follows.
Electric intake valve timing control module
Voltage
Connector
+
-
Terminal
E154
39
41
Battery voltage
40
Is the inspection result normal?
YES
GO TO 6.
NO
Perform trouble diagnosis for power supply circuit.
- CHECK IGNITION SWITCH SIGNAL
Check the voltage between electric intake valve timing control module harness connectors as follows.
Electric intake valve timing control module
Condition
Voltage
+
-
Connector
Terminal
Connector
Terminal
E153
28
E154
41
Ignition switch: ON
Battery voltage
Ignition switch: OFF
0 V
Is the inspection result normal?
YES
Check intermittent incident. Refer to Inspection .
NO
GO TO 7.
- CHECK IGNITION SWITCH SIGNAL
- Turn ignition switch OFF.
- Disconnect electric intake valve timing control module harness connectors.
- Disconnect IPDM E/R harness connector.
- Check the continuity between IPDM E/R harness connector and electric intake valve timing control module harness connector.
+
-
Continuity
IPDM E/R
Electric intake valve timing control module
Connector
Terminal
Connector
Terminal
E123
55
E153
28
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
Perform trouble diagnosis for power supply circuit.
NO
Repair or replace error-detected parts.