DTC C13A3/31: Open or Short in Lock Switch Circuit; DTC C13AB/33: Lock Switch Circuit: Description
When electric parking brake switch is pushed to the lock side, a lock request signal is output to parking brake ECU.
| DTC Code |
Detection Condition |
Trouble Area |
| C13A3/31 |
All of following conditions are met:
- Electric parking brake ECU is ON (engine switch is on (IG), or 15 sec. after engine switch is off and electric parking brake switch lock control is operating)
- Terminal LCK1's voltage is less than 2.3 V or more than 4.2 V; or terminal LCK2's voltage is less than 1.4 V* or more than 9 V*
- Problem occurs for approx. 1 sec.
|
- Electric parking brake switch
- Wire harness or connector
- Electric parking brake ECU
|
| C13AB/33 |
Both of following conditions are met:
- Electric parking brake ECU is ON (engine switch is on (IG), or 15 sec. after engine switch is off and electric parking brake switch lock control is operating)
- ON/OFF judgment of lock switch 1 and lock switch 2 does not match for approx. 1 sec.
|
- Electric parking brake switch
- Wire harness or connector
- Electric parking brake ECU
|
HINT:
*: When battery voltage is 11 V