DESCRIPTION
When the glass breakage sensor detects that the back door glass, quarter window glass LH or quarter window glass RH is tapped or broken, the sensor will set off the alarm for 30 seconds.
WIRING DIAGRAM
| *a | Quarter Window Assembly RH |
| *b | Main Body ECU (Instrument Panel Junction Block) |
| *c | Quarter Window Assembly LH |
| *d | Back Door Glass |
CAUTION / NOTICE / HINT
Note
As the door control battery is installed between the vehicle battery and main body ECU (instrument panel junction block assembly), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (instrument panel junction block assembly) before performing this troubleshooting procedure Click here.
PROCEDURE
READ VALUE USING INTELLIGENT TESTER (GLASS BREAKAGE SENSOR)
Using the intelligent tester, read the Data List.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Sealed Glas Brak Sen | Glass breakage sensor detection / With or Without | With: Glass breakage sensor operates Without: Glass breakage sensor does not operate |
- |
| OK |
|---|
| With (glass breakage sensor operates) appears on screen. |
| OK |
|
REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK) |
| NG |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU [INSTRUMENT PANEL JUNCTION BLOCK] - GLASS BREAKAGE SENSOR)
Disconnect the D81 ECU connector.
Disconnect the H23, G45 and M13 sensor connectors.
Disconnect the M7 defogger connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| *1 | Front view of wire harness connector (to Quarter Window Assembly RH) |
*2 | Front view of wire harness connector (to Quarter Window Assembly LH) |
| *3 | Front view of wire harness connector (to Main Body ECU [Instrument Panel Junction Block]) |
*4 | Front view of wire harness connector (to Back Door Glass) |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT QUARTER WINDOW ASSEMBLY RH
| *1 | Component without harness connected (Quarter Window Assembly RH) |
Disconnect the H23 sensor connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE QUARTER WINDOW ASSEMBLY RH Click here |
| OK |
|
INSPECT QUARTER WINDOW ASSEMBLY LH
| *1 | Component without harness connected (Quarter Window Assembly LH) |
Disconnect the G45 sensor connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE QUARTER WINDOW ASSEMBLY LH Click here |
| OK |
|
INSPECT BACK DOOR GLASS
| *1 | Front view of wire harness connector (to Back Door Glass) |
Disconnect the M13 sensor connector.
Disconnect the M7 defogger connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| OK |
|
REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK) |
| NG |
|
REPLACE BACK DOOR GLASS Click here |