Clearance Warning ECU Communication Stop Mode [11/2021 - ]: Procedure
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- CHECK FOR OPEN IN CAN BUS LINES (CLEARANCE WARNING ECU ASSEMBLY BRANCH LINE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the G114 clearance warning ECU assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G114-17 (R1) - G114-18 (R2) Cable disconnected from negative (-) battery terminal 54 to 69 Ω Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (CLEARANCE WARNING 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.
Standard Resistance
Tester Connection Condition Specified Condition G114-31 (E) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω Result
Result OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
Result:
OK
See step 3
- Measure the resistance according to the value(s) in the table below.
- CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
- 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 G114-1 (IG) - Body ground Ignition switch ON 10.5 to 16 V Result
Result OK NG
Result:
OK
REPLACE CLEARANCE WARNING ECU ASSEMBLY. Refer to REMOVAL [11/2021 - 03/2024] , or refer to REMOVAL [03/2024 - ]
Result:
NG
GO TO STOP AND START SYSTEM (FOR BACKUP BOOST CONVERTER CIRCUIT). Refer to Backup Boost Converter Circuit [11/2021 - 03/2023] , or refer to Backup Boost Converter Circuit [03/2023 - ]