45. Test the brake pedal position switch See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Braking
Sensor/Switch/Testing and Inspection.
46. Check the brake lights with the brake pedal pressed.
Do the brake lights come on?
YES -
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?
NO -
Repair an open in the wire or poor ground (G701, G702).?
TPMS System
TPMS DTC Troubleshooting: 31, 33, 35, 37
DTC 31, 33, 35, 37:
Tire Pressure Sensor Low Battery Voltage
NOTE: This problem occurs when the temperature around the sensor is -40 掳F (-40 掳C) or less. Note that the diagnosis must be made in a place
where ambient temperature is -4 掳F (-20 掳C) or more.
1. Turn the ignition switch to ON (II).
Does the TPMS indicator go off within one minute?
YES -
The system is OK at this time. Clear the DTC with the HDS.?
NO -
Go to step 2.
2. Check the RF, LF, RR, or LR TIRE PRESSURE SENSOR BATTERY STATUS in the TPMS DATA LIST with the HDS.
NOTE: If the HDS screen shows UNDEFINED for sensor status, turn the ignition switch to LOCK (0), rotate the tire 1/4 turn, then turn the ignition
switch to ON (II), and try again. If UNDEFINED is still displayed, repeat this procedure until NORMAL is shown.
Is LOW indicated?
YES -
Replace the appropriate tire pressure sensor See: Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure
Sensor/Service and Repair.?
NO -
Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit See:
Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure Module/Service and Repair, and recheck.?
VSA System
VSA DTC Troubleshooting: 31, 32, 33, 34, 35, 36, 37, 38
DTC 31, 32, 33, 34, 35, 36, 37, 38:
ABS Solenoid Valve Malfunction
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.