ELECTRIC PARKING BRAKE SYSTEM FAIL-SAFE CHART

Malfunction Judgment Lock Control Release Control Brake Hold Control AUTO Control Brake Warning Light / Yellow (Minor Malfunction) Memory Parking Brake Indicator Light (RED)
C1245/62 ○ ○ □ X Illuminates Yes Normal
C13A0/11 X X □ X Illuminates Yes *2
C13A1/12 ○ ○ □ X Illuminates Yes *2
C13A2/22 ○ ○ □ X Illuminates Yes Normal
C13A3/31 X ○ □ ○ Illuminates Yes *2
C13A4/32 X X □ ○ Illuminates Yes *2
C13A5/41 X ○ □ X Illuminates Yes *3
C13A6/42 X X □ X Illuminates Yes *2
C13A7/43 X ▲ □ X Illuminates Yes Blinks
C13A7/43 (Clutch is slipping) X ○ □ X Illuminates Yes *2
C13A8/44 X ▲ □ X Illuminates Yes Blinks
C13A9/61 ○ ○ □ X Illuminates Yes Normal
C13AA/71 X ○ □ X Does not illuminate Yes Blinks
C13AB/33 X ○ □ ○ Illuminates Yes *3
C13AC/34 X X □ ○ Illuminates Yes *2
C13AD/23 X X □ X Illuminates Yes *2
C13AE/72 ○ ○ □ X Illuminates Yes Normal
C13B0 (EEPROM is malfunctioning) ○ ○ □ X Illuminates Yes Does not illuminate
C13B0 (BECU2 value comparison is abnormal) X X □ X Illuminates Yes Does not illuminate
U0073/51 ○ ○ □ X Illuminates Yes Normal
U0100/53 ○ ○ □ X Illuminates Yes Normal
U0124/55 ○ ○ □ X Illuminates Yes Normal
U0129/52 ○ ○

X

*1

 X Illuminates Yes Normal
U0293/54 ○ ○ □ X Illuminates Yes Normal
Power supply voltage drop malfunction X ○ X X Does not illuminate None Blinks

Tech Tips

*1: When brake hold control is operating, the parking brake is automatically set.

*2: Blinks only when lock control or release control request is received. For other cases, displays normally.

*3: Blinks only when lock control request is received. For other cases, displays normally.

○: Control continues.

□: "Depress the brake pedal" warning display is shown, and depressing brake activates control prohibition.

X: Immediate control is not permitted.

▲: Release control is performed, but release operation may not be performed depending on the type of malfunction. After the control, the parking brake indicator light (RED) blinks.