Section 368 (Body Control System - Diagnosis)
WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Pre-Check
- Diagnostic Trouble Code Chart
- Parts Location
- Terminals Of Ecu
- Problem Symptoms Table
- Circuit Inspection
- DTC B1244 Light Sensor Circuit Malfunction
- Power Source Circuit (Body ECU (Main))
- Ignition Switch Power Source Circuit (Body ECU (Main))
- Key Unlock Warning Switch Circuit
- Door Courtesy Switch Circuit
- Light Control Switch Circuit
- Headlight Dimmer Switch Circuit
- Parking Brake Switch Circuit
- Driver Seat Buckle Switch Circuit
- Headlight Relay Circuit
- DRL Relay Circuit
- Taillight Relay Circuit
- Wireless Door Lock Control Circuit
- Open Door Warning Light Circuit
- Park/Neutral Position Switch Circuit
- Alternator Signal Circuit
- Memory Switch Circuit (W/memory)
- Power Source Circuit (Body ECU (Sub))
- Taillight Circuit
- Stop Light Circuit
- Illumination Circuit (Body ECU (Main) Control)
- Illumination Circuit (Body ECU (Sub) Control)
- Rear Wiper Switch Circuit
- Rear Wiper Motor And Relay Circuit
- Reverse Signal Circuit
- Speed Signal Circuit