Inspection Procedure

CHECK WIRE HARNESS (MULTIPLEX NETWORK SWITCH)

Disconnect the P19 connector.
Measure the voltage and resistance according to the value(s) in the table below.

Standard voltage

MULTIPLEX NETWORK SWITCH (VOLTAGE)

Tester Connection	Condition	Specified Condition
P19-12 (BDR) - Body ground	Always	10 to 14 V

Standard resistance

MULTIPLEX NETWORK SWITCH (RESISTANCE)

Tester Connection	Condition	Specified Condition
P19-7 (GND) - Body ground	Always	Below 1 Ω

Fig 1: Identifying P19 Connector Terminals

NG : REPAIR OR REPLACE HARNESS OR CONNECTOR

OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE