Inspection Procedure

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

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Switch Condition	Specified Condition
   -	OFF	Below 1 Ω
   1 - 4	ON	Below 1 Ω
   8 - 9	Illumination circuit	Below 1 Ω

NG: REPLACE HAZARD WARNING SIGNAL SWITCH ASSEMBLY 

Fig 1: Identifying Hazard Warning Signal Switch Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to Next Step 

1. Check turn signal flasher assembly (See TURN SIGNAL FLASHER ASSEMBLY ).

NG: REPLACE TURN SIGNAL FLASHER ASSEMBLY 

OK : Go to Next Step 

1. Disconnect the TVIP ECU and turn signal flasher connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   HZAD (T3-8) - EHW (T2-8)	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 2: Identifying TVIP ECU And Turn Signal Flasher Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to Next Step 

1. Disconnect the H7 hazard warning switch connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   H7-1 - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 3: Identifying H7 Hazard Warning Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : REPLACE TVIP ECU