Inspection Procedure

1. Check if CAN communication DTC is output (See DIAGNOSIS SYSTEM ).

   Result 

   RESULT TABLE
   
   

   Result	Proceed to
   CAN communication DTC is not output.	A
   CAN communication DTC is output.	B

B: GO TO CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: Go to next step 

1. Disconnect the E11 and E1 connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION TABLE
   
   

   Tester Connection	Condition	Specified Condition
   E11-9 (CLK) - E1-36 (MCLK)	Always	Below 1 Ω
   E11-10 (DATA) - E1-37 (MDAT)	Always	Below 1 Ω
   E11-11 (SYNC) - E1-38 (SYNC)	Always	Below 1 Ω
   E11-9 (CLK) - Body ground	Always	10 kΩ or higher
   E11-10 (DATA) - Body ground	Always	10 kΩ or higher
   E11-11 (SYNC) - Body ground	Always	10 kΩ or higher
   E11-16 (SGND) - Body ground	Always	Below 1 Ω

   Fig 1: Identifying E11 & E1 Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Reconnect the E1 connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION TABLE
   
   

   Tester Connection	Condition	Specified Condition
   E11-9 (CLK) - Body ground	Ignition switch on (IG)	Pulse generation
   E11-10 (DATA) - Body ground	Ignition switch on (IG)	Pulse generation
   E11-11 (SYNC) - Body ground	Ignition switch on (IG)	Pulse generation

   Fig 2: Identifying E1 Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE COMBINATION METER ASSEMBLY  (See REMOVAL  )

OK: REPLACE CLOCK ASSEMBLY  (See REMOVAL )