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Home >> Lexus >> 2003 >> LS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 190 (Anti-Lock Brake System) >> Diagnostic Tests >> DTC C1242/42: IG2 Power Source Circuit >> Testing Procedure

Testing Procedure

WARNING: This page is about a different car, the 2004 Lexus SC 430, 2003 Lexus SC 430, and 2002 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

For wiring diagram see Fig 1. For testing procedure see Fig 2-Fig 4 .

Fig 1: Wiring Diagram IG2 Power Source Circuit
G00201335Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing Procedure IG2 Power Source Circuit (1 Of 3)
G00201336Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Testing Procedure IG2 Power Source Circuit (2 Of 3)
G00201177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Testing Procedure IG2 Power Source Circuit (3 Of 3)
G00201178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002