Trouble in Passenger Airbag ON/OFF Indicator: Procedure

1. Turn the power switch on (IG), and check the SRS warning light condition.

   HINT: 

   If this trouble occurs, the SRS warning light is off. If the light is on, a DTC is output. Troubleshoot for the output DTC.

   OK

   After the primary check period, the SRS warning light goes off.

   HINT: 

   The primary check is performed for approximately 6 seconds after the power switch is turned on (IG).

NG → See step   16 

OK: Go to next step 

1. Turn the power switch off.
2. Connect the Techstream to the DLC3.
3. Turn the power switch on (IG).
4. Using the Techstream, perform Zero Point Calibration. Refer to INITIALIZATION .

   OK

   "Zero Point Calibration is complete." is displayed.

NG → See step   4 

OK: Go to next step 

1. Using the Techstream, perform Sensitivity Check. Refer to INITIALIZATION .

   Standard

   27 to 33 kg (59.5 to 72.8 lb)

NG → See step   4 

OK → END 

1. Turn the power switch off.
2. Loosen the 4 installation bolts of the front seat assembly RH.
3. Tighten the 4 installation bolts of the front seat assembly RH to the specified torque.

   Torque: 37 N*m (374 kgf*cm, 27 ft.*lbf) 

NEXT: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Using the Techstream, perform Zero Point Calibration. Refer to INITIALIZATION .

   OK

   "Zero Point Calibration is complete." is displayed.

NG → See step   7 

OK: Go to next step 

1. Using the Techstream, perform Sensitivity Check. Refer to INITIALIZATION .

   Standard

   27 to 33 kg (59.5 to 72.8 lb)

NG → See step   7 

OK → END 

1. Turn the power switch on (IG).
2. Using the Techstream, read Data List. Refer to DATA LIST / ACTIVE TEST .
   1. Read the display when the passenger side buckle switch is operated.
      OCCUPANT DETECTION
      
      

      Tester Display	Measurement Item / Range	Normal Condition	Diagnostic Note
      Passenger Buckle SW	Passenger side buckle switch/ Set: The seat belt is fastened Unset: The seat belt is not fastened NG: Data is not determined	Unset/Set	-

   OK

   The Techstream display changes correctly in accordance with the operation of the buckle switch.

NG → See step   12 

OK: Go to next step 

1. Turn the power switch off.
2. Disconnect the cable from the negative (-) battery terminal.
3. Disconnect the connectors from the occupant classification ECU and 4 occupant classification sensors.
4. Check that the terminals of connectors are not damaged.

   OK

   The terminals are not deformed or damaged.

NG → REPLACE FRONT SEAT WIRE RH 

OK: Go to next step 

1. Connect the connectors to the 4 occupant classification sensors.
2. Replace the occupant classification ECU. Refer to REMOVAL .

NEXT: Go to next step 

1. Connect the cable to the negative (-) battery terminal.
2. Connect the Techstream to the DLC3.
3. Turn the power switch on (IG).
4. Using the Techstream, perform Zero Point Calibration. Refer to INITIALIZATION .

   OK

   "Zero Point Calibration is complete." is displayed.

NEXT: Go to next step 

1. Using the Techstream, perform Sensitivity Check. Refer to INITIALIZATION .

   Standard

   27 to 33 kg (59.5 to 72.8 lb)

NEXT → END 

1. Turn the power switch off.
2. Disconnect the cable from the negative (-) battery terminal.
3. Disconnect the connectors from the occupant classification ECU and front seat inner belt assembly RH.
4. Check that the terminals of connectors are not damaged.

   OK

   The terminals are not deformed or damaged.

NG → REPLACE FRONT SEAT WIRE RH 

OK: Go to next step 

1. Connect the connector to the occupant classification ECU.
2. Replace the front seat inner belt assembly RH. Refer to REMOVAL .

NEXT: Go to next step 

1. Connect the cable to the negative (-) battery terminal.
2. Connect the Techstream to the DLC3.
3. Turn the power switch on (IG).
4. Using the Techstream, perform Zero Point Calibration. Refer to INITIALIZATION .

   OK

   "Zero Point Calibration is complete." is displayed.

NEXT: Go to next step 

1. Using the Techstream, perform Sensitivity Check. Refer to INITIALIZATION .

   Standard

   27 to 33 kg (59.5 to 72.8 lb)

NEXT → END