SRS Symptom Troubleshooting - Faulty front seat belt reminder light
Faulty Front seat belt reminder light
  1. Observe these precautions:
    • Unbuckle the left side seat belt.
    • Unbuckle the right side seat belt.
    • Make sure nothing is on or under the seat.
  1. Turn the ignition switch ON (II).
  1. From the Main Menu on the HDS, select SRS, then PARAMETER INFORMATION. In the PARAMETER INFORMATION Menu, select ‘‘SRS PSS'', and read the HDS indicated.
Is OFF indicated on the HDS?
YES -
Go to Step 7 .
NO -
Go to Step 5 .
  1. Disconnect the floor wire harness 2P connector (A) from the front passenger's seat sitting switch.
  1. From the Main Menu on the HDS, select SRS, then PARAMETER INFORMATION. In the PARAMETER INFORMATION Menu, select ‘‘SRS PSS'', and read the HDS indicated.
Is ON indicated on the HDS?
YES -
Short to ground in the floor wire harness; replace the floor wire harness.■
NO -
  1. Observe these precautions:
    • Unbuckle the left side seat belt.
    • Unbuckle the right side seat belt.
    • I make it the state that people more than 45 kg in weight sit down on in front passenger's seat.
  1. From the Main Menu on the HDS, select SRS, then PARAMETER INFORMATION. In the PARAMETER INFORMATION Menu, select ‘‘SRS PSS'', and read the HDS indicated.
Is ON indicated on the HDS?
YES -
Go to Step 9 .
NO -
Go to Step 5 .
  1. Check the seat belt reminder light.
Does the seat belt reminder light stay on?
YES -
Faulty gauge control module.■
NO -
Faulty SRS unit or poor connection at SRS unit connector B (28P) and SRS unit or poor connection at front passenger's seat belt sitting switch 2P connector and front passenger's seat sitting switch. Check the connection; if connection is OK and DTC is not indicated, replace the SRS unit.■
  1. Disconnect the floor wire harness 2P connector (A) from the front passenger's seat sitting switch.
  1. From the Main Menu on the HDS, select SRS, then PARAMETER INFORMATION. In the PARAMETER INFORMATION Menu, select ‘‘SRS PSS'', and read the HDS indicated.
Is ON indicated on the HDS?
YES -
Short to ground in the floor wire harness; replace the floor wire harness.■
NO -
Faulty front passenger's seat sitting switch.■
  1. Disconnect the floor wire harness 2P connector (A) from the front passenger's seat sitting switch.
  1. Install a jumper wire between the No. 1 terminal and the No. 2 terminal of the floor wire harness 2P connector.
  1. From the Main Menu on the HDS, select SRS, then PARAMETER INFORMATION. In the PARAMETER INFORMATION Menu, select ‘‘SRS PSS'', and read the HDS indicated.
Is ON indicated on the HDS?
YES -
NO -
Open in the floor wire harness; replace the floor wire harness.■