Gateway ECU Communication Stop Mode [09/2014 - 11/2017]: Procedure
- CHECK FOR OPEN IN CAN BUS LINES (NETWORK GATEWAY ECU BRANCH WIRE)
- Disconnect the cable from the negative (-) battery terminal.
- Disconnect the O46 network gateway ECU connector.
*a Front view of wire harness connector
(to Network Gateway ECU) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition O46-16 (CA1H) - O46-15 (CA1L) Cable disconnected from negative (-) battery terminal 54 to 69 Ω Result
Result OK NG
Result:
NG
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (NETWORK GATEWAY ECU)
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 Network Gateway ECU)Standard Resistance
Tester Connection Condition Specified Condition O46-4 (GND) - 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 Network Gateway ECU)Standard Voltage
Tester Connection Condition Specified Condition O46-2 (BATT) - Body ground Always 11 to 14 V O46-9 (IG2) - Body ground Engine switch on (IG) 11 to 14 V O46-10 (IG1) - Body ground Engine switch on (IG) 11 to 14 V Result
Result OK NG
Result:
OK
REPLACE NETWORK GATEWAY ECU. Refer to REMOVAL [09/2014 - 11/2017]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
- Measure the resistance according to the value(s) in the table below.