Power Door Lock Control System: Pre-Check
WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
- Using Hand-Held Tester
- Hook up the hand-held tester to the DLC3.
- Monitor the ECU data by following the prompts on the tester screen.
NOTE:Hand-held tester has a Snapshot function which records the monitored data.
Refer to the hand-held tester operator's manual for further details.
- DTC Clear
- The DTCs and freeze frame data will be erased by the hand-held tester to erase the codes.
- Data List NOTE: According to the DATA LIST displayed by the hand-held tester, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.
- Connect the hand-held tester to the DLC3.
- Turn the ignition switch ON.
- According to the display on tester, read the DATA LIST.
STANDARD (BODY ECU)Item Measurement Item/Display (Range) Normal Condition Diagnostic Note KEY UNLK WRN SW Key Unlock Warning Switch Signal/ON or OFF ON: Key Is In Ignition Key Cylinder OFF: No Key Is In Ignition Key Cylinder ..... D DOR CTY SW Driver Side Door Courtesy Switch Signal/ON Or OFF ON:
Driver Side Door Is Open OFF: Driver Side Door Is Closed..... P DOR CYT SW Passenger Side Door Courtesy Switch Signal/ON Or OFF ON: Passenger Side Door Is Open OFF: Passenger Side Door Is Closed ..... Rr DOR CTY SW Rear Door Courtesy Switch Signal/ON Or OFF ON: Either Right Or Left Rear Door Is Open OFF:Both Right And Left Rear oors Are Closed ..... 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 Door Lock Is In Lock Position ..... Rr LOCK POS SW Rear Door Lock Position Switch Signal/ON Or OFF ON: Rear Door Lock Is In Unlock Position OFF: Rear Door Lock Is In Lock Position ..... IG SW Ignition Switch Signal/ON Or OFF ON: Key Is In ON Or START Position OFF: Key Is In OFF Or ACC Position ..... D LOC POS SW Driver Side Door Lock Position Switch Signal/ON Or OFF ON: Driver Side Door Lock Is In Unlock Position OFF: Driver Side Door Lock Is In Lock Position ..... D/L SW-LOCK Manual Door Lock Switch LOCK Signal/ON Or OFF ON: Manual Door Lock Switch Is In Lock Position OFF: Manual Door Lock Switch Is In Neutral Position (Common To Driver Side & Passenger Side Mode) ..... D/L SW-UNLOCK Manual Door Lock Switch UNLOCK Signal/ON Or OFF ON: Manual Door Lock Switch Is In Unlock Position OFF: Manual Door Lock Switch Is In Neutral Position (Common To Driver Side & Passenger Side Mode) ..... DOR KEY SW-LOCK Key Operation Door Lock Switch Signal/ON Or OFF ON: Key Operation Door Lock Switch Is In Lock Position OFF: Key Operation Door Lock Switch Is In Neutral Position (Common To Driver Side & Passenger Side Mode) ..... P DOR KEY SW-UL Key Operation Passenger Door Unlock Switch Signal/ON Or OFF ON: Passenger Key Operation Door Lock Switch Is In Unlock Position OFF: Passenger Key Operation Door Lock Switch Is In Neutral Position ..... D DOR KEY SW-UL Key Operation Driver Door Unlock Switch Signal/ON Or OFF ON: Driver Key Operation Door Lock Switch Is In Unlock Position OFF: Driver Key Operation Door Lock Switch Is In Neutral Position ..... UNLK/KEY TWICE Key Operation Drive Door 2-Step Unlock Switch Signal/ON Or OFF ON: All Doors Unlocked When Driver Side Key Cylinder Is Turned To Unlock Twice (2 Lock Unlocking Function) OFF: Only Driver Side Door Is Unlocked When Driver Side Key Cylinder Is Turned To Unlock Once ..... UNLOCK/PARK Park/Neutral Position Switch Signal/ON Or OFF ON: Ignition Switch ON, Vehicle Speed 0 km/h And Shift To Any Position Except P Position Then Shift To P Position Then All Doors Unlock OFF: Ignition Switch ON, Vehicle Speed 0 km/h And Shift To Any Position Except P Position ..... AUTO LOCK/SHIFT Park/Neutral Position Switch Signal/ON Or OFF ON: Driver Key Operation Door Lock Switch Is In Unlock Position OFF: Driver Key Operation Door Lock Switch Is In Neutral Position ..... OPEN DOOR WRN Door Courtesy Switch Signal/ON Or OFF ON: Each Door Is Open OFF: All Doors Are Closed ..... AUTO LOCK DELAY Door Courtesy Switch Signal/60s Or 30s 60s: Door Auto Locking Time Is 60 Sec. 30s: Door Auto Locking Time Is 30 Sec. ..... STANDARD (BACK DOOR ECU)Item Measurement Item/Display (Range) Normal Condition Diagnostic Note KEY SW (UNLK) Back door key lock and unlock switch signal/ON or OFF ON: Back door lock key cylinder is turned to unlock OFF: Key is in back door lock key cylinder (original position) ..... KEY SW (LOCK) Back door key lock and unlock switch signal/ON or OFF ON: Back door lock key cylinder is turned to lock OFF: Key is in back door lock key cylinder (original position) ..... HALF LATCH SW Back door half latch switch signal/ON or OFF ON: Back door is open OFF: Back door is closed ..... FULL LATCH SW Back door full latch switch (courtesy SW) signal/ON or OFF ON: Back door is closed OFF: Back door is open ..... DOOR HANDLE SW Back door opener switch signal/ON or OFF ON: Back door opener is pushed OFF: Back door opener is not pushed ..... LOCK STATUS Back door position switch signal/UNLOCK or LOCK UNLOCK: Back door is unlock LOCK: Back door is lock ..... - Active Test NOTE:
Performing the ACTIVE TEST using the hand-held tester allows the relay, VSV, actuator and so on to operate without parts removal. Performing the ACTIVE TEST as a first step of troubleshooting is one of the method to shorten the labor time.
It is possible to display the DATA LIST during the ACTIVE TEST.
- Connect the hand-held tester to the DLC3.
- Turn the ignition switch ON.
- According to the display on the tester, perform the ACTIVE TEST.STANDARD (BODY ECU)
Item Test Details Diagnostic Note OPN DOR WRN LGT Turn open door warning light ON/OFF (All doors are closed) ..... DOOR LOCK Drive door lock motor at all doors LOCK/OFF ..... DOOR UNLOCK Drive door lock motor at all doors UNLOCK/OFF .....