Inspection Procedure

READ VALUE OF DATA LIST (DOOR UNLOCK DETECTION SWITCH)

Check the Data List to ensure proper function of the door unlock detection switch.

Main Body ECU:

TESTER DISPLAY REFERENCE

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
P Lock Pos SW	Passenger side door lock position switch signal /ON or OFF	ON: Passenger side door lock is in UNLOCK position OFF: Passenger side door lock is in LOCK position	-

OK:

The display is as specified in the normal condition column.

NG: Go to step 2

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

INSPECT FRONT DOOR LOCK ASSEMBLY (DOOR UNLOCK DETECTION SWITCH)

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

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester Connection	Measurement Condition	Door Lock Condition	(Specified Condition)
7-8	Battery positive (+) → Terminal 4 Battery negative (-) → Terminal 1	LOCK	10 kΩ or higher
7-8	Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 4	UNLOCK	Below 1 Ω

Fig 1: Inspecting Front Door Lock Assembly (Door Unlock Detection Switch)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT DOOR LOCK ASSEMBLY

OK: Go to Next Step

CHECK WIRE HARNESS (FRONT DOOR LOCK ASSEMBLY - MAIN BODY ECU RH)

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

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester Connection (Symbols)	Condition	Specified Condition
L8-7 (LSSR) - J75-27 (LSWP)	Always	Below 1 Ω
L8-8 (E) - Body ground	Always	Below 1 Ω

Fig 2: Identifying L8 Front Door Lock Assembly And J75 Main Body ECU RH Connectors

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE MAIN BODY ECU RH (COWL SIDE J/B RH)