How to Check Automatic Seatbelt Trouble Codes

Author: FSM

The seatbelt warning light indicates a problem with the automatic seatbelt system. Long blinks = 10, short blinks = 1. In other words, two long and two short blinks is a code 22. One long and one short is code 11.

The following self diagnosis will show any fault codes for the seatbelt system:

  1. Turn ignition switch on (with engine off).
  2. Connect DIAG terminal to the number 8 terminal of the diagnosis connector.
  3. Check in accordance with the trouble code outputted by the seatbelt warning light.

Normal operation is indicated by an on 0.5 seconds, off 0.7 seconds, on 0.5 seconds interval. The flash will occur immediately after the ignition switch is turned on.

List of Seatbelt Trouble Codes
Trouble Code Diagnosis
11 Open and closed ends of driver's side door latch switch are ON
12 Open and closed ends of driver's side door latch switch are OFF
13 Front limit switch on driver's side remains ON
14 Rear limit switch on driver's side remains ON
15 Front and rear limit switches on driver's side are OFF
16 Shoulder belt buckle switch and front limit switch on driver's side are OFF
21 Open and closed ends of passenger's side door latch are ON
22 Open and closed ends of passenger's side door latch are OFF
23 Front limit switch on passenger's side remains ON
24 Front limit switch on passenger's side remains OFF
25 Front and rear limit switches on passengers side are OFF
26 Shoulder belt buckle switch and front limit switch on passenger's side are OFF
32 Ignition switch is ON with battery power left OFF