Power Management Control ECU Communication Stop Mode: Procedure

CHECK FOR OPEN IN CAN BUS WIRES (POWER MANAGEMENT CONTROL ECU BRANCH WIRE)

Disconnect the power management control ECU connector.

Fig 1: Checking L136 Connector Terminals

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TEXT IN ILLUSTRATION

*a	Rear view of wire harness connector (to Power Management Control ECU)

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Switch Condition	Specified Value
L136-25 (CA1H) - L136-24 (CA1L)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω

NG → REPAIR OR REPLACE CAN MAIN BUS BRANCH WIRE OR CONNECTOR (POWER MANAGEMENT CONTROL ECU)

OK: Go to next step

CHECK HARNESS AND CONNECTOR (GROUND TERMINAL)

Measure the resistance according to the value(s) in the table below.

Fig 2: Checking L135 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Resistance

Tester Connection	Condition	Specified Value
L135-6 (E1) - Body Ground	Cable disconnected from negative (-) auxiliary battery terminal	Below 1 Ω

TEXT IN ILLUSTRATION

*a	Component with harness connected (Power Management Control ECU)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND TERMINAL)

OK: Go to next step

CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)

Measure the voltage according to the value(s) in the table below.

Fig 3: Checking A85 & A86 Connector Terminals

Standard Voltage

Tester Connection	Condition	Specified Value
A85-2 (+B2) - Body Ground	Power switch on (IG)	11 to 14 V
A86-5 (+B1) - Body Ground	Power switch on (IG)	11 to 14 V

TEXT IN ILLUSTRATION

*a	Component with harness connected (Power Management Control ECU)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE TERMINAL)

OK → See step 4