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Inspection Procedure

CHECK WIRE HARNESS (MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND)

Disconnect the I6 connector.

Measure the resistance and voltage according to the value(s) in MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND (RESISTANCE) and MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND (VOLTAGE) .

Resistance

MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND (RESISTANCE)

Tester Connection	Condition	Specified Condition
I6-1 (E) - Body ground	Always	Below 1 Ω

Voltage

MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND (VOLTAGE)

Tester Connection	Condition	Specified Condition
I6-7 (BW) - Body ground	Always	10 to 14 V
I6-6 (B) - Body ground	Always	10 to 14 V
I6-11 (IG) - Body ground	Ignition switch OFF -> ON	0 V -> 10 to 14 V

Fig 1: Checking Wire Harness (Multiplex Network master Switch - Battery And Body Ground)

G04379115

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: PROCEED TO NEXT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE