DTC Troubleshooting: B1202 (P)
DTC B1202 or DTC indicator P:
 Heater Control Unit Internal Error
NOTE: Check the battery condition and the charging system.
  1. Clear the DTC with the HDS.
  1. Turn the ignition switch OFF and then ON (II).
  1. Do the self-diagnostic with the HDS or heater control unit.
  1. Check for DTCs.
Is DTC B1202 or P indicated?
YES -
The heater control unit is faulty, replace the heater control unit .■
NO -
Intermittent failure, the heater control unit is OK at this time.■