Diagnosis Procedure
- CHECK ELECTRIC PARKING BRAKE CONTROL MODULE POWER SUPPLY
- Turn the ignition switch OFF.
- Check the voltage between electric parking brake control module harness connector and ground.
+
-
Voltage
Electric parking brake control module
Connector
Terminal
M70
13
Ground
11 - 15.5 V
15
22
Is the inspection result normal?
YES
GO TO 3.
NO
GO TO 2.
- CHECK MOTOR POWER SUPPLY CIRCUIT
- Turn the ignition switch OFF.
- Check the 30A fuse (#74), 30A fuse (#73) and 5A fuse (#93).
- Disconnect the electric parking brake control module harness connector.
- Disconnect the fuse and fusible link block 2 harness connector.
- Check for continuity between electric parking brake control module harness connector and the fuse and fusible link block 2 harness connector.
Electric parking brake control module
Fuse and fusible link block 2
Continuity
Connector
terminal
Connector
Terminal
M70
13
M108
14
Existed
15
13
22
M128
78
Is the inspection result normal?
YES
Perform trouble diagnosis for battery power supply.
NO
Repair/replace harness, connector or fuse.
- CHECK ELECTRIC PARKING BRAKE CONTROL MODULE GROUND CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the electric parking brake control module harness connector.
- Check for continuity between electric parking brake control module harness connector and the ground.
Electric parking brake control module
--
Continuity
Connector
Terminal
M70
28
Ground
Existed
30
Is the inspection result normal?
YES
GO TO 4.
NO
Repair/replace harness or connector.
- CHECK TERMINAL
Check electric parking brake control module pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES
INSPECTION END
NO
Repair/replace harness or connector.