DESCRIPTION
DTC B1795 is stored when a malfunction is detected in the occupant detection ECU.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B1795 | Occupant Classification ECU Malfunction | Occupant detection ECU malfunction | Occupant detection ECU |
CAUTION / NOTICE / HINT
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
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HINT:
When DTC B1650 is stored as a result of troubleshooting for the airbag system, check the DTCs stored in the occupant detection ECU. When DTC B1795 is output, perform troubleshooting for this DTC first.
PROCEDURE
1. | CHECK DTC |
(a) Clear the DTCs stored in the occupant detection ECU.
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Body Electrical > Occupant Detection > Clear DTCs(b) Clear the DTCs stored in the airbag sensor assembly.
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Body Electrical > SRS Airbag > Clear DTCs(c) Turn the engine switch off.
(d) Turn the engine switch on (IG), and wait for at least 10 seconds.
(e) Check for DTCs.
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Body Electrical > Occupant Detection > Trouble CodesOK:
DTC B1795 is not output.
HINT:
Codes other than DTC B1795 may be output at this time, but they are not related to this check.
(f) Turn the engine switch off.
OK | USE SIMULATION METHOD TO CHECK |
|
2. | REPLACE OCCUPANT DETECTION ECU |
(a) Turn the engine switch off.
(b) Disconnect the cable from the negative (-) battery terminal.
(c) Replace the occupant detection ECU.
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(d) Connect the cable to the negative (-) battery terminal.
|
3. | PERFORM ZERO POINT CALIBRATION |
(a) Using the Techstream, perform Zero Point Calibration.
Click here
Body Electrical > Occupant Detection > Utility Tester Display |
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Zero Point Calibration |
NEXT | END |
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