Main Switch Illumination Circuit [10/2014 - ]: Procedure

1. Disconnect the D118 upper console panel sub-assembly connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   D118-3 (ILL+) - Body ground	Power switch off, light control switch in tail or head position	11 to 14 V

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Disconnect the D118 upper console panel sub-assembly connector.
2. Disconnect the D9 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D118-8 (ILL-) - D9-4 (ILL-)	Always	Below 1 Ω
   D118-8 (ILL-) - Body ground	Always	10 kΩ or higher

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Disconnect the D118 and A upper console panel sub-assembly connectors.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D118-3 (ILL+) - A-10 (ILL+)	Always	Below 1 Ω
   D118-8 (ILL-) - A-9 (ILL-)	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Upper Console Panel Sub-assembly)

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [10/2014 - ] )

Result: 

NG 

REPLACE UPPER CONSOLE PANEL SUB-ASSEMBLY 

(Refer to REMOVAL [10/2014 - ] )