DESCRIPTION
When the intrusion sensor cancel switch on the roof console box assembly is pressed, the sensor off signal is sent to the main body ECU (multiplex network body ECU) which causes the intrusion sensor (theft warning ultrasonic sensor) to stop operating.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.
PROCEDURE
READ VALUE USING GTS
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / Main Body / Data List.
According to the display on the GTS, read the Data List.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Intrusion Sens OFF SW | Intrusion sensor cancel switch/ON or OFF | ON: Intrusion sensor cancel switch on OFF: Intrusion sensor cancel switch off |
- |
| OK |
|---|
| The indicator on the GTS switches between ON and OFF in accordance with the intrusion sensor cancel switch status. |
| NG |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - ROOF CONSOLE BOX ASSEMBLY - BODY GROUND) Click here |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - ROOF CONSOLE BOX ASSEMBLY - BODY GROUND)
Disconnect the H9 main body ECU (multiplex network body ECU) connector.
Disconnect the T10 intrusion sensor (theft warning ultrasonic sensor) (roof console box assembly) connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT INTRUSION SENSOR CANCEL SWITCH (ROOF CONSOLE BOX ASSEMBLY)
| *a | Component without harness connected (Intrusion Sensor Cancel Switch (Roof Console Box Assembly)) |
Remove the intrusion sensor cancel switch (roof console box assembly) Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE INTRUSION SENSOR CANCEL SWITCH (ROOF CONSOLE BOX ASSEMBLY) Click here |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here