THEFT DETERRENT SYSTEM, Diagnostic DTC:B2762
| DTC Code | DTC Name |
|---|---|
| B2762 | Intrusion Sensor Signal Circuit Malfunction |
DESCRIPTION
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The theft warning radar sensor (intrusion sensor) conducts self-diagnosis immediately after power is supplied to the sensor (when the theft deterrent system is set).
If a malfunction is detected in the ISIF line, the main body ECU (multiplex network body ECU) stores this DTC.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B2762 | After normal/trouble signal is output from intrusion sensor as result of self-diagnosis, following malfunctions are detected:
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WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - MAP LIGHT ASSEMBLY)
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Disconnect the L8 main body ECU (multiplex network body ECU) and U3*4 or U13*5 map light assembly connectors.
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Measure the resistance according to the value(s) in the table below.
Standard Resistance Tester Connection Condition Specified Condition L8-12 (ISIF) - U3-6 (IOUT)*4
L8-12 (ISIF) - U13-8 (IOUT)*5
Always Below 1 Ω L8-12 (ISIF) - Body ground Always 10 kΩ or higher
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*4: w/o Sliding Roof System
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*5: w/ Sliding Roof System
Text in Illustration *1 Front view of wire harness connector
(to Main Body ECU (Multiplex Network Body ECU))
*2 Front view of wire harness connector
(to Map Light Assembly (Intrusion Sensor))
*3 Front view of wire harness connector
(to Map Light Assembly (Intrusion Sensor))
*4 w/o Sliding Roof System *5 w/ Sliding Roof System - - -
NG 
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK 
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REPLACE THEFT WARNING RADAR SENSOR (INTRUSION SENSOR)
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Replace the theft warning radar sensor (intrusion sensor) Click here.
NEXT
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CHECK FOR DTC
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Check if DTC B2762 is not output Click here.
OK DTC B2762 is not output.
NG
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
OK 
END (THEFT WARNING RADAR SENSOR (INTRUSION SENSOR) WAS FAULTY)
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