Driver Side Door Entry Lock Function does not Operate: Procedure
- CHECK POWER DOOR LOCK OPERATION
- When the door control switch on the master switch assembly is operated, check that the locked doors unlock. Refer to OPERATION CHECK
.
OK
Locked doors unlock.
NG → See step 9
OK: Go to next step
- When the door control switch on the master switch assembly is operated, check that the locked doors unlock. Refer to OPERATION CHECK
.
- READ VALUE USING TECHSTREAM (DOOR UNLOCK DETECTION SWITCH)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Master Switch / Data List.
- Read the Data List according to the display on the Techstream.MASTER SWITCH (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY)
Tester 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
On the Techstream screen, ON or OFF will be displayed accordingly.
Result
Result Proceed to OK A NG B
(Refer to "Driver Door LOCK/UNLOCK Functions do not Operate" in the problem symptoms table)
B → See step 12
A: Go to next step
- READ VALUE USING TECHSTREAM (DOOR OUTSIDE HANDLE)
- Enter the following menus: Body Electrical / Smart Access / Data List.
- Read the Data List according to the display on the Techstream.SMART ACCESS (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
Tester Display Measurement Item/Range Normal Condition Diagnostic Note D-Door Trigger SW Driver side door lock switch / ON or OFF ON: Entry lock switch is pressed
OFF: Entry lock switch is not pressed- OK
On the Techstream screen, the display changes between ON and OFF according to the chart above.
NG → See step 4
OK → See step 11
- CHECK HARNESS AND CONNECTOR (FRONT DOOR OUTSIDE HANDLE - DOOR ELECTRICAL KEY OSCILLATOR)
- Disconnect the front door outside handle assembly (driver side) connector.
- Disconnect the door electrical key oscillator (driver side) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition o1-1 (TRG-) - o2-9 (TRG-) Always Below 1 Ω o1-1 (TRG-) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - FRONT DOOR OUTSIDE HANDLE)
- Disconnect the certification ECU (smart key ECU assembly) connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition P33-3 (TSW1) - o1-3 (TRG+) Always Below 1 Ω P33-3 (TSW1) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- INSPECT FRONT DOOR OUTSIDE HANDLE ASSEMBLY (DRIVER SIDE)
- Measure the resistance according to the value(s) in the table below.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Standard Resistance
Tester Connection Switch Condition Specified Condition 1 (TRG-) - 3 (TRG+) Lock switch not pushed 10 kΩ or higher 1 (TRG-) - 3 (TRG+) Lock switch pushed Below 1 Ω
NG → See step 10
OK: Go to next step
- Measure the resistance according to the value(s) in the table below.
- REPLACE DOOR ELECTRICAL KEY OSCILLATOR (DRIVER SIDE)
- Replace the door electrical key oscillator (driver side). Refer to REMOVAL .
NEXT: Go to next step
- CHECK DOOR ELECTRICAL KEY OSCILLATOR (DRIVER SIDE OPERATION)
- Check that the entry functions operate normally. Refer to OPERATION CHECK .
OK
Entry functions operate normally.
NG → See step 11
OK → END (DOOR ELECTRICAL OSCILLATOR IS DEFECTIVE)
- Check that the entry functions operate normally. Refer to OPERATION CHECK .
- GO TO POWER DOOR LOCK CONTROL SYSTEM. Refer to OPERATION CHECK
- REPLACE FRONT DOOR OUTSIDE HANDLE ASSEMBLY (DRIVER SIDE). Refer to REMOVAL
- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to REMOVAL
- GO TO POWER DOOR LOCK CONTROL SYSTEM (Proceed to Problem Symptoms Table). Refer to PROBLEM SYMPTOMS TABLE