Electric Parking Brake ECU Communication Stop Mode [01/2019 - 09/2022]: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR OPEN IN CAN BUS LINES (BRAKE ACTUATOR ASSEMBLY BRANCH LINE)
- Disconnect the A113 brake actuator assembly connector.
- Measure the resistance according to the value(s) in the table below.
*a Front view of wire harness connector
(to Brake Actuator Assembly)Standard Resistance
Tester Connection Condition Specified Condition A113-12 (CANH) - A113-11 (CANL) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (BRAKE ACTUATOR ASSEMBLY)
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.
*a Front view of wire harness connector
(to Brake Actuator Assembly)Standard Resistance
Tester Connection Condition Specified Condition A113-1 (MGND) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω A113-2 (EGND) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω - Reconnect the cable to the negative (-) auxiliary battery terminal.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition A113-9 (BEPB) - Body ground Power switch off 11 to 14 V A113-26 (IG) - Body ground Power switch on (IG) 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE BRAKE ACTUATOR ASSEMBLY
Refer to REMOVAL [01/2019 - 09/2022]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.