Code :

Code: H2-02
Description: Thermistor open trouble (Upper sub TH_US1 detection) (TH_SUB2_2)
Causes: Thermistor trouble PCU PWB trouble Thermistor connector and harness trouble AC Power unit trouble
Remedy: Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.

Code: H2-03
Description: Thermistor open trouble (Upper main TH_UM compensation) (TH_UM_CS)
Causes: Thermistor trouble PCU PWB trouble Thermistor connector and harness trouble AC Power unit trouble
Remedy: Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.

Code: H2-05
Description: Thermistor open trouble (Upper sub TH_US1 compensation) (TH_SUB2_2_CS)
Causes: Thermistor trouble PCU PWB trouble Thermistor connector and harness trouble AC Power unit trouble
Remedy: Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.

Code: H2-06
Description: Thermistor open trouble (Upper edge) (TH_US2)
Causes: Thermistor trouble PCU PWB trouble Thermistor connector and harness trouble AC Power unit trouble
Remedy: Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.

Code: H3-00
Description: Fusing section high temperature trouble (Upper main) (TH_UM)
Causes: Thermistor trouble PCU PWB trouble Fusing section connector connection trouble AC Power unit trouble
Remedy: Use SIM5-2 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp keeps on lighting, check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.

Code: H3-01
Description: Fusing section high temperature trouble (Lower main) (TH_LM)
Causes: Thermistor trouble PCU PWB trouble Fusing section connector connection trouble AC Power unit trouble
Remedy: Use SIM5-2 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp keeps on lighting, check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.

Code: H3-02
Description: Fusing section high temperature trouble (Upper sub) (TH_US1)
Causes: Thermistor trouble PCU PWB trouble Fusing section connector connection trouble AC Power unit trouble
Remedy: Use SIM5-2 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp keeps on lighting, check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.

Code: H4-00
Description: Fusing section low temperature trouble (Upper main) (TH_UM)
Causes: Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. AC Power unit trouble. Interlock switch trouble.
Remedy: Use SIM05-02 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp does not light on correctly, check the cut-line of the heater harness and the thermostat. Check the interlock switch. Check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.