Key Unlock Warning Switch

This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.

Fig 1: Problem Symptoms Chart - Key Unlock Warning Switch

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w/o Daytime running light system: 

HEADLIGHT AND TAILLIGHT SYSTEM 

This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.

HINT:

To inspect the bulb and light control ECU, replace them with the ones working normally and judge whether they work normally or not.

Fig 2: Problem Symptoms Chart - Headlight & Taillight System

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

w/Daytime running light system: 

1. HEADLIGHT AND TAILLIGHT SYSTEM 

This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.

HINT:

To inspect the bulb and light control ECU, replace them with the ones working normally and judge whether they work normally or not.

Fig 3: Problem Symptoms Chart - Headlight & Taillight System

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HID type headlight: