Inspection Procedure
- PERFORM ACTIVE TEST USING TECHSTREAM (DOOR LOCK)
- Select the Active Test, use Techstream to generate a control command, and then check that the doors lock / unlock.
Main body
ACTIVE TEST CHARTTester Display Test Part Control Range Diagnostic Note D-Door Unlock Operate driver side door unlock ON / OFF - OK: Doors can lock / unlock.
OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)
NG: Go to next step
- READ VALUE USING TECHSTREAM (LOCK POSITION SWITCH)
- Use the Data List to check if the door lock is functioning properly.
Main body
DATA LISTTester Display Measurement Item/Range Normal Condition Diagnostic Note D-Door Lock Pos SW Driver side door lock position switch signal ON / OFF ON: Driver side door is unlocked
OFF: Driver side door is locked- OK: When the door lock is operating, Techstream should display as shown in the table.
OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)
NG: Go to next step
- INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH
- Apply the battery voltage to the motor terminals and check the operation of the door lock motor.
OK
TERMINAL VOLTAGE REFERENCEMeasurement Condition Specified Condition Battery positive (+) → 4 (L)
Battery negative (-) → 1 (UL)Lock Battery positive (+) → 1 (UL)
Battery negative (-) → 4 (L)Unlock - Measure the resistance of the door lock position switch.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Switch Condition Specified Condition 8 (LSSR) - 7 (E) Lock 10 kΩ or higher 8 (LSSR) - 7 (E) Unlock Below 1 Ω NG: REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: Go to next step
- Apply the battery voltage to the motor terminals and check the operation of the door lock motor.
- CHECK WIRE HARNESS (DOOR LOCK - ECU)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- Disconnect the H5 door lock connector.
- Disconnect the E15 ECU connector.
- Disconnect the IH junction block connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITIONTester Connection Specified Condition H5-1 (UL) - E15-5 (ACTD) Below 1 Ω H5-4 (L) - IH-8 (ACT+) Below 1 Ω H5-8 (LSSR) - E15-25 (LSWD) Below 1 Ω H5-9 (L) - IH-7 (L2) Below 1 Ω H5-10 (UL) - E15-9 (UL3) Below 1 Ω H5-7 (E) - Body ground Below 1 Ω NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)