ID Code Box Power Source Circuit: Procedure

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT ID CODE BOX

Disconnect the ID Code Box Power Source Circuit.

Fig 1: Identifying ID Code Box Power Source Circuit Connector Terminals
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Measure the voltage according to the value(s) in the table below.

Voltage

Tester Connection	Condition	Specified Condition
D29-1 (MPXB) - Body ground	Always	10 to 14 V

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

Resistance

Tester Connection	Condition	Specified Condition
D29-8 (GND) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

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