Fault Items
The following table shows fault items that can be identified through diagnosis and also their codes represented by flashing of seat heater indicator(s).
ERROR CHART
| Error | Seat heater indicator flashing pattern | Correction/Reference item |
|---|---|---|
| Overcurrent | LOW, MID and HI flash 4 times simultaneously | Check seat heater controller circuit, see SEAT HEATER CONTROL SYSTEM CIRCUIT DIAGRAM (IF EQUIPPED) . |
| 30 minutes timer malfunction | LOW flashes 4 times | |
| Open thermistor | MID flashes 4 times | Check seat heater, see SEAT HEATER UNIT INSPECTION (IF EQUIPPED) . |
| Shorted thermistor | HI flashes 4 times | |
| Switch malfunction | LOW and HI flash 4 times simultaneously | Check seat heater switch, see SEAT HEATER SWITCH INSPECTION (IF EQUIPPED) . |
| Overvoltage | LOW and MID flash 4 times simultaneously | Check seat heater controller circuit, see SEAT HEATER CONTROL SYSTEM CIRCUIT DIAGRAM (IF EQUIPPED) . |
| Too low voltage | LOW and MID flash twice simultaneously | |
| Too small current | MID and HI flash 4 times simultaneously |