Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT DRIVER SIDE JUNCTION BLOCK
1. Measure the voltage according to the value (s) in the figure Fig 1 below.
Standard:

Fig 1: Voltage Reference Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Identifying Connector Terminal Of Driver Side Junction Block
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (IGNITION SWITCH CIRCUIT)
2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (SEE PROBLEM SYMPTOMS TABLE )