Inspection Procedure

1. Disconnect the connector of pattern select switch.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   K42-3 (E) - Body ground	Always	Below 1 Ω

NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 1: Identifying Terminals Of K42 Pattern Select Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step 

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

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   3 (E) - 7 (P)	Pattern select switch (PWR)	Below 1 Ω
   	Pattern select switch (NORM)	10 kΩ or higher

NG : REPLACE PATTERN SELECT SWITCH ASSEMBLY 

Fig 2: Identifying Terminals Of K42 Pattern Select Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : Go to next step 

1. Connect the connector of pattern select switch.
2. Disconnect the cowl side junction block (main body ECU RH) connector.
3. Measure the resistance between terminal PWR of the cowl side junction block (main body ECU RH) arid body ground.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   K68-18 (PWR) - Body ground	Pattern select switch (PWR)	Below 1 Ω
   	Pattern select switch (NORM)	10 kΩ or higher

NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 3: Identifying Terminals Of Main Body ECU RH Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )