Inspection Procedure

HINT:

Start the inspection from step 1 when using the intelligent tester and start from step 2 when not using the intelligent tester.

1. READ VALUE ON INTELLIGENT TESTER (IGNITION SWITCH) 
   1. Connect the intelligent tester to the DLC3.
   2. Turn the ignition switch on (IG) and turn the intelligent tester main switch on.
   3. Select the items below in the "DATA LIST" and read the display on the intelligent tester.

   BODY: 

   DATA LIST REFERENCE CHART
   
   

   Item	Measurement Item/Display (Range)	Normal Condition	Diagnostic Note
   IS SW	Ignition switch on (IG)/ON or OFF	ON: Ignition switch on (IG) OFF: Ignition switch off or on (ACC)	-
   ACC SW	Ignition switch on (ACC)/ON or OFF	ON: Ignition switch on (ACC) OFF: Ignition switch not on (ACC)	-

   OK: 

   When the ignition switch is operated, the display changes as shown above. 

   NG: Go to step 2 

   OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  . 

2. INSPECT MULTIPLEX NETWORK BODY ECU (IG - ACC TERMINALS) 
   1. Turn the ignition switch off.
   2. Disconnect the instrument panel J/B (II) connector.
   3. Measure the voltage according to the value(s) in the table below.

      Voltage 

      VOLTAGE REFERENCE CHART
      
      

      Tester Connection	Condition	Specified Condition
      II-9 - Body ground	Ignition switch off	Below 1 V
      II-9 - Body ground	Ignition switch on (IG)	10 to 14 V
      II-3 - Body ground	Ignition switch off	Below 1 V
      II-3 - Body ground	Ignition switch on	10 to 14 V

   Fig 1: Identifying Instrument Panel J/B (II) Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (IG OR ACC CIRCUIT) 

   OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  .