Inspection Procedure

HINT:

In case of using the TOYOTA hand-held tester, start the inspection from step 1 and in case of not using the TOYOTA hand-held tester, start from step  2.

1. Check engine hood courtesy switch using TOYOTA hand-held tester. 

   PREPARATION: 

   Connect the TOYOTA hand-held tester to the DLC 3.

   CHECK: 

   Check the engine hood courtesy switch using DATA LIST.

   1. OK: Proceed to next circuit inspection shown on problem symptoms table (See  PROBLEM SYMPTOMS TABLE  ). 
   2. NG: Go to next step. 
2. Check engine hood courtesy switch. 

   PREPARATION: 

   1. Remove engine hood lock assembly.
   2. Disconnect engine hood courtesy switch connector.

   CHECK: 

   Check continuity between terminals 1 and 2 when engine hood lock is locked and unlocked.

   OK: 

   TESTER CONNECTION-SPECIFIED CONDITIONS
   
   

   Engine hood lock	Tester connection	Specified condition
   LOCK	1-2	No continuity
   UNLOCK	1-2	Continuity

   Fig 1: Checking Engine Hood Courtesy Switch Continuity Between Terminals 1 & 2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. NG: Replace engine hood courtesy switch. 
   2. OK: Go to next step. 
3. Check harness and connector between body ECU and switch, switch and body ground (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
   1. NG: Repair or replace harness or connector. 
   2. OK: Proceed to next circuit inspection shown on problem symptoms table (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ).