Vehicle Interior. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Heating Air Conditioning. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Air Conditioning System (For Automatic Air Conditioning System) -- Problem Symptoms Table |
- HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
| All functions of the air conditioning system do not operate | Proceed to "IG Power Source Circuit" | HILUX_TGN26 RM000002LLU030X.html |
| Integration panel sub-assembly | HILUX_TGN26 RM000001K3A01GX.html | |
| No. 1 cooler wire | HILUX_TGN26 RM000004QZA00AX.html | |
| Air conditioning amplifier assembly | HILUX_TGN26 RM000001K3A01HX.html | |
| Air Flow Control: No blower operation | Indicator check | HILUX_TGN26 RM000002LIT02JX.html |
| Integration panel sub-assembly | HILUX_TGN26 RM000001K3A01GX.html | |
| No. 1 cooler wire | HILUX_TGN26 RM000004QZA00AX.html | |
| Proceed to "Heater Relay Circuit" | HILUX_TGN26 RM000001DTG015X.html | |
| Proceed to "Blower Motor Circuit" | HILUX_TGN26 RM000001DTI01KX.html | |
| Air Flow Control: No blower control | Indicator check | HILUX_TGN26 RM000002LIT02JX.html |
| Integration panel sub-assembly | HILUX_TGN26 RM000001K3A01GX.html | |
| No. 1 cooler wire | HILUX_TGN26 RM000004QZA00AX.html | |
| Proceed to "Blower Motor Circuit" | HILUX_TGN26 RM000001DTI01KX.html | |
| Air Flow Control: Insufficient air flow | Proceed to "Blower Motor Circuit" | HILUX_TGN26 RM000001DTI01KX.html |
| Temperature Control: No cool air comes out | Indicator check | HILUX_TGN26 RM000002LIT02JX.html |
| Integration panel sub-assembly | HILUX_TGN26 RM000001K3A01GX.html | |
| No. 1 cooler wire | HILUX_TGN26 RM000004QZA00AX.html | |
| Check volume of refrigerant | HILUX_TGN26 RM000001R8Z02GX.html | |
| Check for refrigerant gas leak | HILUX_TGN26 RM000001R8Y02IX.html | |
| Cooler expansion valve | HILUX_TGN26 RM0000012JQ01HX.html | |
| Proceed to "Pressure Switch Circuit" | HILUX_TGN26 RM000001DTB015X.html | |
| Proceed to "Air Conditioning Compressor Magnetic Clutch Circuit" | HILUX_TGN26 RM000001DTH019X.html | |
| Proceed to "Front Air Mix Damper Control Servo Motor Circuit" | HILUX_TGN26 RM000001LZM00MX.html | |
| Proceed to "Ambient Temperature Sensor Circuit" | HILUX_TGN26 RM000001DT9017X.html | |
| Proceed to "Evaporator Temperature Sensor Circuit" | HILUX_TGN26 RM000001DTA017X.html | |
| Proceed to "Room Temperature Sensor Circuit" | HILUX_TGN26 RM000001DT8016X.html | |
| Proceed to "Solar Sensor Circuit" | HILUX_TGN26 RM000001DTK018X.html | |
| Proceed to "Vehicle Speed Signal Circuit" | HILUX_TGN26 RM000001DTJ015X.html | |
| Air conditioning amplifier assembly | HILUX_TGN26 RM000001K3A01HX.html | |
| Temperature Control: No warm air comes out | Indicator check | HILUX_TGN26 RM000002LIT02JX.html |
| Integration panel sub-assembly | HILUX_TGN26 RM000001K3A01GX.html | |
| No. 1 cooler wire | HILUX_TGN26 RM000004QZA00AX.html | |
| Proceed to "Front Air Mix Damper Control Servo Motor Circuit" | HILUX_TGN26 RM000001LZM00MX.html | |
| Proceed to "Ambient Temperature Sensor Circuit" | HILUX_TGN26 RM000001DT9017X.html | |
| Proceed to "Evaporator Temperature Sensor Circuit" | HILUX_TGN26 RM000001DTA017X.html | |
| Proceed to "Room Temperature Sensor Circuit" | HILUX_TGN26 RM000001DT8016X.html | |
| Proceed to "Solar Sensor Circuit" | HILUX_TGN26 RM000001DTK018X.html | |
| Proceed to "Engine Coolant Temperature Communication Circuit" | HILUX_TGN26 RM000001LZL00OX.html | |
| Proceed to "Vehicle Speed Signal Circuit" | HILUX_TGN26 RM000001DTJ015X.html | |
| Air conditioning amplifier assembly | HILUX_TGN26 RM000001K3A01HX.html | |
| Temperature Control: Output air is warmer or cooler than set temperature or response is slow | Indicator check | HILUX_TGN26 RM000002LIT02JX.html |
| Integration panel sub-assembly | HILUX_TGN26 RM000001K3A01GX.html | |
| No. 1 cooler wire | HILUX_TGN26 RM000004QZA00AX.html | |
| Check volume of refrigerant | HILUX_TGN26 RM000001R8Z02GX.html | |
| Check for refrigerant gas leak | HILUX_TGN26 RM000001R8Y02IX.html | |
| Proceed to "Front Air Mix Damper Control Servo Motor Circuit" | HILUX_TGN26 RM000001LZM00MX.html | |
| Proceed to "Ambient Temperature Sensor Circuit" | HILUX_TGN26 RM000001DT9017X.html | |
| Proceed to "Evaporator Temperature Sensor Circuit" | HILUX_TGN26 RM000001DTA017X.html | |
| Proceed to "Room Temperature Sensor Circuit" | HILUX_TGN26 RM000001DT8016X.html | |
| Proceed to "Solar Sensor Circuit" | HILUX_TGN26 RM000001DTK018X.html | |
| Proceed to "Engine Coolant Temperature Communication Circuit" | HILUX_TGN26 RM000001LZL00OX.html | |
| Proceed to "Vehicle Speed Signal Circuit" | HILUX_TGN26 RM000001DTJ015X.html | |
| Air conditioning amplifier assembly | HILUX_TGN26 RM000001K3A01HX.html | |
| Temperature Control: No temperature control (only MAX COOL or MAX WARM) | Indicator check | HILUX_TGN26 RM000002LIT02JX.html |
| Integration panel sub-assembly | HILUX_TGN26 RM000001K3A01GX.html | |
| No. 1 cooler wire | HILUX_TGN26 RM000004QZA00AX.html | |
| Proceed to "Front Air Mix Damper Control Servo Motor Circuit" | HILUX_TGN26 RM000001LZM00MX.html | |
| Proceed to "Ambient Temperature Sensor Circuit" | HILUX_TGN26 RM000001DT9017X.html | |
| Proceed to "Evaporator Temperature Sensor Circuit" | HILUX_TGN26 RM000001DTA017X.html | |
| Proceed to "Room Temperature Sensor Circuit" | HILUX_TGN26 RM000001DT8016X.html | |
| Proceed to "Solar Sensor Circuit" | HILUX_TGN26 RM000001DTK018X.html | |
| Proceed to "Vehicle Speed Signal Circuit" | HILUX_TGN26 RM000001DTJ015X.html | |
| Air conditioning amplifier assembly | HILUX_TGN26 RM000001K3A01HX.html | |
| No air inlet control | Proceed to "Air Inlet Damper Control Servo Motor Circuit" | HILUX_TGN26 RM000001DTC015X.html |
| Air conditioning amplifier assembly | HILUX_TGN26 RM000001K3A01HX.html | |
| No air flow mode control | Proceed to "Air Outlet Damper Control Servo Motor Circuit" | HILUX_TGN26 RM000001DTD015X.html |
| Air conditioning amplifier assembly | HILUX_TGN26 RM000001K3A01HX.html | |
| Engine idle up does not occur or is continuous | Proceed to "Air Conditioning Compressor Magnetic Clutch Circuit" | HILUX_TGN26 RM000001DTH019X.html |
| Air conditioning amplifier assembly | HILUX_TGN26 RM000001K3A01HX.html | |
| Proceed to "ECD System (for 1KD-FTV [w/ EGR Cooler])" | HILUX_TGN26 RM0000012WB03DX.html | |
| Proceed to "ECD System (for 1KD-FTV [w/o EGR Cooler])" | HILUX_TGN26 RM0000012WB03FX.html | |
| Proceed to "SFI System (for 2TR-FBE)" | HILUX_TGN26 RM000000PD90QFX.html | |
| Diagnostic trouble codes are not stored, and set mode is cleared when ignition switch is off | Proceed to "Back-up Power Source Circuit" | HILUX_TGN26 RM000002LLV032X.html |
| Air conditioning amplifier assembly | HILUX_TGN26 RM000001K3A01HX.html |