AFS ECU Communication Stop Mode [10/2016 - 09/2020]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (HEADLIGHT SWIVEL ECU ASSEMBLY BRANCH LINE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the A104 headlight swivel ECU assembly connector.
*a Front view of wire harness connector
(to Headlight Swivel ECU Assembly) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A104-12 (CANH) - A104-13 (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 SWIVEL 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 Swivel ECU Assembly)Standard Resistance
Tester Connection Condition Specified Condition A104-22 (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.
Standard Voltage
Tester Connection Condition Specified Condition A104-14 (IGS) - Body ground Engine switch on (IG) 11 to 14 V A104-15 (IG) - Body ground Engine switch on (IG) 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY. Refer to REMOVAL [10/2016 - 09/2020]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.