YES -
Check for loose or poor connections. If OK, update the ACC unit See: Cruise Control/Testing and Inspection/Programming and Relearning, then
recheck. If the ACC unit was already updated, replace the ACC unit See: Cruise Control/Cruise Control Module/Service and Repair.?
NO -
Go to step 11.
11. Check for DTCs with the HDS.
Is DTC 60, 110, or 111 indicated?
YES -
Troubleshoot the indicated DTC(s).?
NO -
Troubleshoot the brake pedal position switch signal circuit See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Component Tests and General Diagnostics/Brake Pedal Position Switch Signal Circuit Troubleshooting.?
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
