Motor Generator Control ECU Communication Stop Mode [12/2018 - 08/2019]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (INVERTER WITH CONVERTER ASSEMBLY BRANCH LINE)
- Disconnect the cable from the negative (-) auxiliary battery terminal.
- Disconnect the C33 inverter with converter assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
(C33)
(C33)
Tester Connection Condition Specified Condition C33-1 (CANH) - C33-7 (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 (INVERTER WITH CONVERTER 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
(C33)
(C33)
Tester Connection Condition Specified Condition C33-23 (GND2) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω C33-24 (GND1) - 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
(C33)
(C33)
Tester Connection Condition Specified Condition C33-5 (+B2) - Body ground Power switch on (IG) 11 to 14 V C33-6 (+B) - Body ground Power switch on (IG) 11 to 14 V C33-12 (IGCT) - Body ground Power switch on (IG) 11 to 14 V Result
Result Proceed to OK (for Nickel Metal Hydride Battery) A OK (for Lithium-ion Battery) B NG C
Result:
A
REFER TO REPLACE INVERTER WITH CONVERTER ASSEMBLY PARTS. Refer to DTC CHECK / CLEAR [12/2018 - ]
Result:
B
REFER TO REPLACE INVERTER WITH CONVERTER ASSEMBLY PARTS. Refer to DTC CHECK / CLEAR [12/2018 - ]
Result:
C
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.