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 ignition 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 B1650/32 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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(b) Clear the DTCs stored in the airbag sensor assembly.
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(c) Turn the ignition switch off.
(d) Turn the ignition switch to ON, and wait for at least 10 seconds.
(e) Check for DTCs.
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OK:
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 ignition switch off.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
|
2. |
REPLACE OCCUPANT DETECTION ECU |
(a) Turn the ignition 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.
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Tester Display |
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Zero Point Calibration |
NEXT | ![]() |
END |
Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Speaker Output Short (B15C3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the speakers.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
B15C3
Speaker Output Short
A short is detected in the speaker output circuit
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Toyota CH-R Service Manual > Power Window Control System: Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power
Window Switch LH
DESCRIPTION
If the manual up and down functions operate normally but the auto up and down
functions do not, the power window control system may be in fail-safe mode.
If power window initialization has not been performed, the auto up and down functions
will not operate.
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WIRING ...