Power Management Control ECU Communication Stop Mode [12/2015 - 11/2017]: Procedure
- PRECAUTION NOTE:
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work (Refer to PRECAUTION [12/2015 - 08/2016] , or refer to PRECAUTION [08/2016 - ] ).
Result:
NEXT
See step 2
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
- Disconnect the cable from the negative (-) battery terminal before measuring the resistances of the main wire and the branch wire.WARNING:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
NOTE:When disconnecting the cable, some systems need to be initialized after the cable is reconnected (Refer to INITIALIZATION [12/2015 - 08/2016] , or refer to INITIALIZATION [08/2016 - 11/2017] )
Result:
NEXT
See step 3
- Disconnect the cable from the negative (-) battery terminal before measuring the resistances of the main wire and the branch wire.
- CHECK FOR OPEN IN CAN BUS WIRE (POWER MANAGEMENT CONTROL ECU BRANCH WIRE)
- Disconnect the power management control ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Switch Condition Specified Condition D89-14 (CA1H) - D89-13 (CA1L) Ignition switch off 54 to 69 Ω TEXT IN ILLUSTRATION*a Front view of wire harness connector
(to Power Management Control ECU)
Result:
NG
REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO POWER MANAGEMENT CONTROL ECU (CAN-H, CAN-L)
Result:
OK
See step 4
- Disconnect the power management control ECU connector.
- CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - POWER SOURCE)
- Connect the cable to the negative (-) battery terminal.NOTE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected (Refer to INITIALIZATION [12/2015 - 08/2016] , or refer to INITIALIZATION [08/2016 - 11/2017] )
- Disconnect the power management control ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition D89-6 (GND) - Body ground Always Below 1 Ω D89-5 (GND2) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition D89-1 (AM22) - Body ground Always 11 to 14 V D89-2 (AM21) - Body ground Always 11 to 14 V TEXT IN ILLUSTRATION*a Front view of wire harness connector
(to Power Management Control ECU)
Result:
OK
REPLACE POWER MANAGEMENT CONTROL ECU
(Refer to REMOVAL [12/2015 - 11/2017] )
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
- Connect the cable to the negative (-) battery terminal.