Hybrid Vehicle Control ECU Communication Stop Mode [12/2019 - 11/2023]: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR OPEN IN CAN BUS LINES (HYBRID VEHICLE CONTROL ECU BRANCH LINE)
- Disconnect the cable from the negative (-) auxiliary battery terminal.
- Disconnect the A32 hybrid vehicle control ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A32-21 (CA1H) - A32-8 (CA1L) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω A32-7 (CA3P) - A32-20 (CA3N) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω *a Front view of wire harness connector
(to Hybrid Vehicle Control ECU)Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (HYBRID VEHICLE CONTROL ECU)
Result:
OK
See step 2
- CHECK ECU POWER SOURCE CIRCUIT
Result:
OK
REPLACE HYBRID VEHICLE CONTROL ECU
Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
