Connector pin function (1)
| Connector | PIN NO. | Function |
| Connector (A) | 1 | ILL+(TAIL) |
| 2 | SENSOR REF (+5V) |
| 3 | HAZARD SIGNAL |
| 4 | ACC |
| 5 | MODE ACT'R (VENT) |
| 6 | MODE ACT'R (DEF) |
| 7 | MODE ACT'R F/B |
| 8 | INTAKE ACT'R (FRE) |
| 9 | INTAKE ACT'R (REC) |
| 10 | INTAKE ACT'R F/B |
| 11 | TEMP ACT'R (COOL)-DIVER |
| 12 | TEMP ACT'R (WARM)-DIVER |
| 13 | TEMP ACT'R F/B-DIVER |
| 14 | TEMP ACT'R (COOL)-PASSENGER |
| 15 | TEMP ACT'R (WARM)-PASSENGER |
| 16 | TEMP ACT'R F/B-PASSENGER |
| 17 | C_CAN HIGH |
| 18 | C_CAN LOW |
| 19 | DETENT OUT (+) |
| 20 | ILL-(RHEO) |
| 21 | ION SIGNAL |
| 22 | CLEAN SIGNAL |
| 23 | IONIZER DIAGNOSIS |
| 24 | |
| 25 | |
| 26 | AMB SENSOR (+) |
| 27 | |
| 28 | EVAP SENSOR (+) |
| 29 | ECV (+) |
| 30 | ECV (-) GND |
| 31 | PHOTO SENSOR (-) -LEFT |
| 32 | PHOTO SENSOR (-) -RIGHT |
| 33 | HTD |
| 34 | REAR DEFOG S/W |
| 35 | C-CAN |
| 36 | |
| 37 | PTC ON SIGNAL |
| 38 | PTC RELAY 2 |
| 39 | PTC RELAY 3 |
| 40 | SENSOR GND |
| Connector(B) | 1 | GND |
| 2 | |
| 3 | DEF ACT'R (CLOSE) |
| 4 | DEF ACT'R (OPEN) |
| 5 | DEF ACT'R F/B |
| 6 | HUMIDITY (PWM) |
| 7 | |
| 8 | IGN2 |
| 9 | GND |
| 10 | |
| 11 | BLOWER MOTOR(+) |
| 12 | FET (GATE) |
| 13 | FET (DRAIN F/B) |
| 14 | ISG-DC |
| 15 | IGN1 |
| 16 | BATT |
Scheme 88
Scheme 88: Control Panel (Dual A/C & Heater Controller - B)
Connector pin function (2)
| Connector | PIN NO. | Function |
| Connector(A) | 1 | ILL+(TAIL) |
| 2 | SENSOR REF (+5V) |
| 3 | HAZARD SIGNAL |
| 4 | |
| 5 | MODE ACT'R (VENT) |
| 6 | MODE ACT'R (DEF) |
| 7 | MODE ACT'R F/B |
| 8 | INTAKE ACT'R (FRE) |
| 9 | INTAKE ACT'R (REC) |
| 10 | INTAKE ACT'R F/B |
| 11 | TEMP ACT'R (COOL)-DIVER |
| 12 | TEMP ACT'R (WARM)-DIVER |
| 13 | TEMP ACT'R F/B-DIVER |
| 14 | TEMP ACT'R (COOL)-PASSENGER |
| 15 | TEMP ACT'R (WARM)-PASSENGER |
| 16 | TEMP ACT'R F/B-PASSENGER |
| 17 | C_CAN HIGH |
| 18 | C_CAN LOW |
| 19 | DETENT OUT (+) |
| 20 | ILL-(RHEO) |
| 21 | ION SIGNAL |
| 22 | CLEAN SIGNAL |
| 23 | IONIZER DIAGNOSIS |
| 24 | MM_CAN HIGH |
| 25 | MM_CAN LOW |
| 26 | AMB SENSOR (+) |
| 27 | |
| 28 | EVAP SENSOR (+) |
| 29 | ECV (+) |
| 30 | ECV (-) GND |
| 31 | PHOTO SENSOR (-) -LEFT |
| 32 | PHOTO SENSOR (-) -RIGHT |
| 33 | HTD |
| 34 | REAR DEFOG S/W |
| 35 | C-CAN |
| 36 | |
| 37 | PTC ON SIGNAL |
| 38 | PTC RELAY 2 |
| 39 | PTC RELAY 3 |
| 40 | SENSOR GND |
| Connector(B) | 1 | GND |
| 2 | |
| 3 | DEF ACT'R (CLOSE) |
| 4 | DEF ACT'R (OPEN) |
| 5 | DEF ACT'R F/B |
| 6 | HUMIDITY (PWM) |
| 7 | |
| 8 | IGN2 |
| 9 | GND |
| 10 | |
| 11 | BLOWER MOTOR(+) |
| 12 | FET (GATE) |
| 13 | FET (DRAIN F/B) |
| 14 | ISG-DC |
| 15 | IGN1 |
| 16 | BATT |
Scheme 89
Scheme 89: Self Diagnosis
Scheme 90
Scheme 91
Scheme 92
- Self-diagnosis process
- How to read self-diagnostic code After the display panel flickers three times every 0.5 second, the corresponding fault code flickers on the setup temperature display panel every 0.5 second and will show two figures. Codes are displayed in numerical format FAULT CODE Display Fail description 0 Normal 11 In-car sensor open 12 In-car sensor short 13 Ambient sensor open 14 Ambient sensor short 17 Evaporator sensor open 18 Evaporator sensor short 19 Temp door potentiometer open/short-Drive 20 Temp door potentiometer fault-Drive 21 Mode door potentiometer open/short 22 Mode door potentiometer fault 23 Auto defog sensor open 24 Auto defog sensor short 25 Intake door potentiometer open 26 Intake door potentiometer short 32 Temp door potentiometer open/short - Passenger 33 Temp door potentiometer fault - Passenger 43 Defog door potentiometer open/short 44 Defog door potentiometer fault 45 APT CAN signal fault 47 RPM CAN signal fault 48 Vehicle speed CAN signal fault 49 Engine coolant temp CAN signal fault 50 Cluster ion generator fault 53 D/CLOCK Reference High(over 3.75) - Clock Only 54 D/CLOCK Reference Low(blow 3.05) - Clock Only 71 ECV fault (open)
- Fault code display Continuance operation: DTC code is one. Continuance operation: DTC code is more two. STEP operation Normal or one fault code is same as a continuance operation. DTC code as more two.
- If fault codes are displayed during the check, Inspect malfunction causes by referring to fault codes.
- Fail safe In-car temperature sensor: Control with the value of 23°C(73.4°F) Ambient temperature sensor: Control with the value of 20°C(67°F) Evaporator temperature sensor: Control with the value of -2°C(28.4°F) Water temperature sensor: Control with the value of 85°C(185°F) Temperature control actuator (Air mix potentiometer): If temperature setting 17°C-24.5°C, fix at maximum cooling position. If temperature setting 25°C-32°C, fix at maximum heating position. Mode control actuator (Direction potentiometer): Fix vent position, while selecting vent mode. Fix defrost position, while selecting all except vent mode. Intake control actuator: Fix fresh position, while selecting fresh mode. Fix recirculation position, while selecting recirculation mode.