DESCRIPTION
The main body ECU (driver side junction block assembly) receives switch signals from the door control switch and activates the door lock motor on each door according to these signals.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
READ VALUE USING GTS (DOOR CONTROL SWITCH)
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Body Electrical / Main Body / Data List.
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Door Lock SW-Lock | Front passenger side door control switch lock signal/ON or OFF | ON: Front passenger side door control switch pushed to lock position OFF: Front passenger side door control switch not pushed to lock position |
- |
| Door Lock SW-Unlock | Front passenger side door control switch unlock signal/ON or OFF | ON: Front passenger side door control switch pushed to unlock position OFF: Front passenger side door control switch not pushed to unlock position |
- |
| OK |
|---|
| On the GTS screen, ON or OFF will be displayed accordingly. |
| NG |
|
INSPECT DOOR CONTROL SWITCH ASSEMBLY Click here |
| OK |
|
REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Click here
INSPECT DOOR CONTROL SWITCH ASSEMBLY
| *1 | Component without harness connected (Door Control Switch Assembly) |
| *2 | Unlock |
| *3 | Lock |
Remove the door control switch assembly Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE DOOR CONTROL SWITCH ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (DOOR CONTROL SWITCH - MAIN BODY ECU AND BODY GROUND)
| *1 | Front view of wire harness connector (to Door Control Switch Assembly) |
| *2 | Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
Disconnect the 2J driver side junction block connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Click here