| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM1000000015C2A |
| Model Year Start: 2018 | Model: Camry HV | Prod Date Range: [07/2017 - ] |
| Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION SYSTEM: Trouble in Passenger Airbag ON/OFF Indicator; 2018 - 2024 MY Camry HV [07/2017 - ] | ||
|
Trouble in Passenger Airbag ON/OFF Indicator |
DESCRIPTION
The occupant classification system detects the front passenger seat condition. It then displays the instrument panel passenger airbag assembly and lower No. 2 instrument panel airbag assembly condition (activated/not activated) using the passenger airbag ON/OFF indicator.
HINT:
Approximately 6 seconds after the power switch is turned on (IG), the passenger airbag ON/OFF indicator will indicate ON/OFF depending on the following conditions.
|
Front Passenger Seat Condition |
Passenger Airbag ON/OFF Indicator |
SRS Warning Light |
|
|---|---|---|---|
|
ON Indicator |
OFF Indicator |
||
|
Vacant |
OFF |
ON |
OFF |
|
Adult*1 is seated |
ON |
OFF |
OFF |
|
Child*2 is seated |
ON or OFF*2 |
OFF or ON*2 |
OFF |
|
Child restraint system is installed |
OFF |
ON |
OFF |
|
Occupant classification system failure |
OFF |
ON |
ON |
- *1: The system judges a person of average adult weight or more as an adult. If a smaller adult sits in the front passenger seat, the system may not recognize them as an adult depending on their physique and posture.
- *2: The system may not recognize a child or a child in a child restrain system as a child depending on factors such as the positioning of the child restraint system or the child's physique or posture.
CAUTION / NOTICE / HINT
NOTICE:
-
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
Click here
![2018 - 2019 MY Camry HV [07/2017 - 09/2019]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION](/t3Portal/stylegraphics/info.gif)
- Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
|
1. |
CHECK SRS WARNING LIGHT |
(a) Turn the power switch on (IG), and check the SRS warning light condition.
OK:
After the primary check period, the SRS warning light turns off.
HINT:
The primary check is performed for approximately 6 seconds after the power switch is turned on (IG).
| NG |
|
|
|
2. |
PERFORM ZERO POINT CALIBRATION |
(a) Using the Techstream, perform Zero Point Calibration.
Click here
OK:
"Zero Point Calibration is complete." is displayed.
| OK |
|
END |
|
|
3. |
RETIGHTEN FRONT SEAT ASSEMBLY RH BOLT |
(a) Loosen the 4 installation bolts of the front seat assembly RH.
(b) Tighten the 4 installation bolts of the front seat assembly RH to the specified torque.
for Manual Seat: Click here
for Power Seat: Click here
|
|
4. |
PERFORM ZERO POINT CALIBRATION |
(a) Using the Techstream, perform Zero Point Calibration.
Click here
OK:
"Zero Point Calibration is complete." is displayed.
| OK |
|
END |
|
|
5. |
READ VALUE USING TECHSTREAM |
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Occupant Detection / Data List.
(f) Read the Data List according to the display on the Techstream.
Body Electrical > Occupant Detection > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Passenger Buckle SW |
Front passenger side buckle switch |
NG, Set or Unset |
Set: Front passenger seat belt is fastened Unset: Front passenger seat belt is not fastened |
"NG" will be displayed immediately after the power switch is turned on (IG). |
Body Electrical > Occupant Detection > Data List
|
Tester Display |
|---|
|
Passenger Buckle SW |
OK:
The Techstream display changes correctly in accordance with the operation of the front passenger side buckle switch.
| NG |
|
|
|
6. |
CHECK CONNECTORS |
(a) Turn the power switch off.
(b) Disconnect the cable from the negative (-) auxiliary battery terminal.
(c) Disconnect the connectors from the occupant detection ECU, front occupant classification sensor LH and rear occupant classification sensor LH.
(d) Check that the terminals of the connectors are not deformed or damaged.
OK:
The terminals are not deformed or damaged.
| NG |
|
REPLACE FRONT SEAT WIRE RH |
|
|
7. |
REPLACE OCCUPANT DETECTION ECU |
(a) Connect the connectors to the front occupant classification sensor LH and rear occupant classification sensor LH.
(b) Replace the occupant detection ECU with a new one.
Click here
(c) Connect the cable to the negative (-) auxiliary battery terminal.
|
|
8. |
PERFORM ZERO POINT CALIBRATION |
(a) Using the Techstream, perform Zero Point Calibration.
Click here
| NEXT |
|
END |
|
9. |
CHECK CONNECTORS |
(a) Turn the power switch off.
(b) Disconnect the cable from the negative (-) auxiliary battery terminal.
(c) Disconnect the connectors from the occupant detection ECU and front seat inner belt assembly RH.
(d) Check that the terminals of the connectors are not deformed or damaged.
OK:
The terminals are not deformed or damaged.
| NG |
|
REPLACE FRONT SEAT WIRE RH |
|
|
10. |
REPLACE FRONT SEAT INNER BELT ASSEMBLY RH |
(a) Turn the power switch off.
(b) Disconnect the cable from the negative (-) auxiliary battery terminal.
(c) Replace the front seat inner belt assembly RH with a new one.
Click here
(d) Connect the cable to the negative (-) auxiliary battery terminal.
|
|
11. |
PERFORM ZERO POINT CALIBRATION |
(a) Using the Techstream, perform Zero Point Calibration.
Click here
| NEXT |
|
END |
|
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