Is there continuity?
YES -
Go to step 33.
NO -
Repair an open in the wire between the VSA modulator-control unit and the brake light relay.?
33. Update the VSA modulator-control unit if it does not have the latest software See: Brakes and Traction Control/Antilock Brakes / Traction
Control Systems/Traction Control Module/Testing and Inspection. If the unit already has the latest software, substitute a known-good VSA
modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control Module/Service and
Repair.
34. After the TSA warning goes off, press the brake pedal for 3 seconds or more.
35. Check for DTCs with the HDS.
Is DTC 69 indicated?
YES -
Check for loose terminals in the VSA modulator-control unit 46P connector. Check for a loose connection at G303. If the VSA modulator-control
unit was updated, substitute a known-good VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control
Systems/Traction Control Module/Service and Repair, then retest. If the VSA modulator-control unit was substituted, go to step 1.
NO -
If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the
original VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control
Module/Service and Repair. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.?
71-xx
SWS DTC Troubleshooting: 71-xx
DTC 71-xx ("x" can be 0 thru 9 or A thru F):
ODS Unit Not Calibrated
NOTE: Only read DTCs from the SRS menu, not from SWS menus unless instructed to check SWS DTCs. SWS (ODS unit) DTCs are subcodes of
SRS unit DTCs. Only troubleshoot the corresponding SRS DTCs. Also these SWS DTCs are cleared by turning the ignition switch to LOCK(0).
Do the troubleshooting for SRS unit DTC 81-71 See: 81-71.
71-1x
SRS DTC Troubleshooting: 71-1x
DTC 71-1x ("x" can be 0 thru 9 or A thru F):
Open in the Driver's Seat Position Sensor
