Back Door Entry Lock Function does not Operate: Procedure
WARNING: This page is about a different variant/trim than selected.
- CHECK POWER DOOR LOCK OPERATION
- When the door control switch on the master switch assembly is operated, check that the doors unlock and lock according to switch operation. Refer to OPERATION CHECK
.
OK
Door locks operate normally.
NG → See step 6
OK: Go to next step
- When the door control switch on the master switch assembly is operated, check that the doors unlock and lock according to switch operation. Refer to OPERATION CHECK
.
- READ VALUE USING TECHSTREAM (BACK DOOR OPENER SWITCH)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Smart Key / Data List.
- Read the Data List according to the display on the Techstream.SMART KEY (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
Tester Display Measurement Item/Display Normal Condition Diagnostic Note Tr/B-Door Lock SW Back door opener switch assembly (lock switch) / ON or OFF ON: Back door opener switch assembly (lock switch) pushed
OFF: Back door opener switch assembly (lock switch) not pushed- OK
On the Techstream screen, the display changes between ON and OFF as shown in the table above.
NG → See step 3
OK → See step 5
- INSPECT BACK DOOR OPENER SWITCH ASSEMBLY
- Remove the back door opener switch assembly. Refer to DISASSEMBLY .
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Switch Position Specified Condition 1 (L) - 2 (E) Back door opener switch assembly (lock switch) not pushed (OFF) 10 kΩ or higher 1 (L) - 2 (E) Back door opener switch assembly (lock switch) pushed (ON) Below 1 Ω TEXT IN ILLUSTRATION*a Component without harness connected
(Back Door Opener Switch Assembly)
NG → See step 7
OK: Go to next step
- CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - BACK DOOR OPENER SWITCH)
- 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 L62-23 (TSW6) - V4-1 (L) Always Below 1 Ω L62-23 (TSW6) - Body ground Always 10 kΩ or higher V4-1 (L) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK → See step 5
- 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
- REPLACE BACK DOOR OPENER SWITCH ASSEMBLY. Refer to DISASSEMBLY