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.
Master SW (Multiplex Network Master Switch Assembly):
TESTER DISPLAY REFERENCETester Display Measurement Item/Range Normal Condition Diagnostic Note Lock Pos SW Driver side door unlock detection switch signal /ON or OFF ON: Driver side door is unlocked
OFF: Driver side door is locked- 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
- Check the Data List to ensure proper function of the door unlock detection switch.
- INSPECT FRONT DOOR LOCK ASSEMBLY (DOOR UNLOCK DETECTION SWITCH)
- Remove the front door lock assembly LH.
- Measure the resistance according to the value (s) in the table below.
Standard resistance
STANDARD RESISTANCE SPECIFICATIONTester Connection Measurement Condition Door Lock Condition Specified Condition 7-8 Battery positive (+) → Terminal 4
Battery negative (-) → Terminal 1Lock 10 kΩ or higher 7-8 Battery positive (+) → Terminal 1
Battery negative (-) → Terminal 4Unlock Below 1 Ω Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE FRONT DOOR LOCK ASSEMBLY
OK: Go to Next Step
- CHECK WIRE HARNESS (FRONT DOOR LOCK ASSEMBLY - MULTIPLEX NETWORK MASTER SWITCH)
- Disconnect the front door lock assembly LH connector.
- Disconnect the multiplex network master switch assembly connector.
- Measure the resistance according to the value (s) in the table below.
Standard resistance
STANDARD RESISTANCE SPECIFICATIONTester Connection (Symbols) Condition Specified Condition M2-8 (LSSR) - M7-16 (LSW) Always Below 1 Ω M2-7 (E) - Body ground Always Below 1 Ω Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY