Code No. C2305:
Right +B voltage malfunction
DIAGNOSIS CODE SET CONDITIONS
If the power supply to the electric parking brake actuator (RH) fails (low voltage), the
diagnosis code will be set.
PROBABLE CAUSES
- Damaged wiring harness or connector
- Open or short to earth in the wires between the battery and the electric
parking brake ECU, or high resistance in a connector
- Blown fuse
- Malfunction of the electric parking brake ECU
|
|
STEP 1. Measure the voltage at the electric parking brake ECU
connector.
|
|
|
(1)Disconnect the electric parking brake ECU connector and measure at the wiring harness
side.
|
|
|
(2)Measure the voltage between the +B1 terminal and body earth.
OK: Battery voltage
|
|
|
Q.
Is the check result normal?
|
|
|
 Go to Step 2.
|
|
|
|
|
|
 The power supply circuit may be open or short to earth. Repair the wiring harness
wires or connectors between the electric parking brake ECU connector and the battery.
|
|
|
|
|
|
STEP 2. Check whether the diagnosis code is set again.
|
|
|
Check again if the diagnosis code is set.
|
|
|
(1)Erase the diagnosis code.
|
|
|
(2)Turn the ignition switch to the LOCK (OFF) position.
|
|
|
(3)Check if the diagnosis code is set.
|
|
|
Q.
Is diagnosis code No. C2305 set?
|
|
|
Replace the electric parking brake ECU (Refer to  ).
|
|
|
|
|
|
The trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction).
|
|
|
|