Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Testing Engine Hood Courtesy Switch Continuity
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: Engine Hood Courtesy Switch Specifications
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: Replace engine hood courtesy switch.
2. OK: Go to next step.
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: Go to next step.
Check and replace body ECU. See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE .