Inspection Procedure

1. Disconnect the DOME fuse from the main body ECU.
2. Disconnect the P-ACC fuse from the passenger side junction block.
3. Measure the resistance of the fuses.

   Standard resistance 

   FUSE (P-ACC, DOME)
   
   

   Tester Connection	Condition	Specified Condition
   ACC fuse	Always	Below 1 Ω
   DOME fuse	Always	Below 1 Ω

NG: REPLACE FUSE 

OK: GO TO NEXT STEP 

1. Disconnect the L38 clock connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   CLOCK - BATTERY AND MULTI-DISPLAY STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   L38-7 (E) - Body ground	Always	Below 1 Ω

3. Measure the voltage according to the value(s) in the table below.

   Standard voltage 

   CLOCK - BATTERY AND MULTI-DISPLAY STANDARD VOLTAGE
   
   

   Tester Connection	Switch Condition	Specified Condition
   L38-4 (ACC) - Body ground	Engine switch on (ACC)	11 to 14 V
   L38-8 (+B) - Body ground	Always	11 to 14 V

   Fig 1: Identifying L38 Clock Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE CLOCK ASSEMBLY (See  REMOVAL   )