Clock Display Circuit (FROM 12/2010): Procedure

1. Remove the clock assembly.
   Fig 1: Identifying (F2) Clock Assembly Circuit Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the F2 connector.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   F2-1 (B) - Body ground	Always	11 to 14 V
   F2-4 (ACC) - Body ground	Ignition switch off	Below 1 V
   F2-4 (ACC) - Body ground	Ignition switch on (ACC)	11 to 14 V

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F2-2 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the F2 and D6 connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F2-3 (ILL+) - D6-16 (ACAN)	Always	Below 1 Ω
   D6-16 (ACAN) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Reconnect the D6 connector.
   Fig 2: Identifying (F2) Body ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the F2 connector.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   F2-3 (ILL+) - Body ground	Ignition switch on (ACC) and light control switch tail or head	11 to 14 V

NG → REPLACE CLOCK ASSEMBLY 

OK → REPLACE BODY ECU