AFS ECU Communication Stop Mode [09/2014 - 11/2017]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (HEADLIGHT LEVELING ECU ASSEMBLY BRANCH LINE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the A61 headlight leveling ECU assembly connector.
*a Front view of wire harness connector
(to Headlight Leveling ECU Assembly) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A61-6 (CANH) - A61-7 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (HEADLIGHT LEVELING ECU 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 Headlight Leveling ECU Assembly)Standard Resistance
Tester Connection Condition Specified Condition A61-9 (E1) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω - Reconnect the cable to the negative (-) battery terminal.
- Measure the voltage according to the value(s) in the table below.
*a Front view of wire harness connector
(to Headlight Leveling ECU Assembly)Standard Voltage
Tester Connection Condition Specified Condition A61-1 (IG) - Body ground Engine switch on (IG) 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE HEADLIGHT LEVELING ECU ASSEMBLY. Refer to REMOVAL [09/2014 - 10/2018]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.