Inspection Procedure

PREPARATION: 

Disconnect the pattern select switch connector.

CHECK: 

Check continuity between terminals 2 and 3 of pattern select switch connector when pattern select switch is set to 2nd start switch ON and OFF.

OK: 

Fig 1: Checking Continuity Between Terminals 2 & 3 Of Pattern Select Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: Replace the pattern select switch. 
2. OK: Go to next step. 

PREPARATION: 

1. Connect the pattern select switch connector.
2. Disconnect the connector of ECM.

CHECK: 

Check continuity between terminal SNWI of ECM and body ground when the pattern select switch is set to 2nd start switch ON and OFF.

OK: 

Fig 2: Disconnecting ECM Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. OK: Proceed to next circuit inspection shown on matrix table (See  PROBLEM SYMPTOMS TABLE  ). 
2. NG: Repair or replace harness or connector (See  HOW TO USE THE DIAGNOSTIC TABLE AND INSPECTION  ).