Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Heating Air Conditioning. Land Cruiser. Urj200, 202 Grj200 Vdj200
Air Conditioning System (For Manual 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" | Click here |
| Proceed to "Air Conditioning Control Panel Circuit" | Click here | |
| Air Flow Control: No blower operation | Proceed to "Blower Motor Circuit" | Click here |
| Air conditioning control assembly | Click here | |
| Air conditioning amplifier assembly | Click here | |
| Air Flow Control: No blower control | Proceed to "Blower Motor Circuit" | Click here |
| Air conditioning control assembly | Click here | |
| Air conditioning amplifier assembly | Click here | |
| Air Flow Control: Insufficient air flow | Proceed to "Blower Motor Circuit" | Click here |
| Temperature Control: No cool air comes out | Proceed to "CAN Communication System (for LHD)" | Click here |
| Proceed to "CAN Communication System (for RHD)" | Click here | |
| Check volume of refrigerant | Click here | |
| Check for refrigerant gas leak | Click here | |
| Proceed to "Pressure Sensor Circuit" | Click here | |
| Proceed to "Compressor Lock Sensor Circuit" | Click here | |
| Proceed to "Air Mix Damper Control Servo Motor Circuit (Driver Side)" | Click here | |
| Proceed to "Cool Air Bypass Damper Control" | Click here | |
| Proceed to "Ambient Temperature Sensor Circuit" | Click here | |
| Proceed to "Evaporator Temperature Sensor Circuit" | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (air mix damper servo) (for LHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (air mix damper servo) (for RHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (cooler bypass damper servo) (for LHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (cooler bypass damper servo) (for RHD) | Click here | |
| Air conditioning harness assembly (for LHD) | Click here | |
| Air conditioning harness assembly (for RHD) | Click here | |
| Air conditioning control assembly | Click here | |
| Air conditioning amplifier assembly | Click here | |
| Cooler expansion valve (for LHD) | Click here | |
| Cooler expansion valve (for RHD) | Click here | |
| ECM (for 1VD-FTV) | Click here | |
| ECM (for 1GR-FE) | Click here | |
| Temperature Control: No warm air comes out | Proceed to "CAN Communication System (for LHD)" | Click here |
| Proceed to "CAN Communication System (for RHD)" | Click here | |
| Proceed to "Air Mix Damper Control Servo Motor Circuit (Driver Side)" | Click here | |
| Proceed to "Cool Air Bypass Damper Control" | Click here | |
| Proceed to "Ambient Temperature Sensor Circuit" | Click here | |
| Proceed to "PTC Heater Circuit" (w/ PTC Heater) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (air mix damper servo) (for LHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (air mix damper servo) (for RHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (cooler bypass damper servo) (for LHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (cooler bypass damper servo) (for RHD) | Click here | |
| Air conditioning harness assembly (for LHD) | Click here | |
| Air conditioning harness assembly (for RHD) | Click here | |
| Air conditioning control assembly | Click here | |
| Air conditioning amplifier assembly | Click here | |
| Heater radiator unit sub-assembly (for LHD) | Click here | |
| Heater radiator unit sub-assembly (for RHD) | Click here | |
| ECM (for 1VD-FTV) | Click here | |
| ECM (for 1GR-FE) | Click here | |
| Temperature Control: Output air is warmer or cooler than set temperature or response is slow | Proceed to "CAN Communication System (for LHD)" | Click here |
| Proceed to "CAN Communication System (for RHD)" | Click here | |
| Check volume of refrigerant | Click here | |
| Check for refrigerant gas leak | Click here | |
| Proceed to "Pressure Sensor Circuit" | Click here | |
| Proceed to "Compressor Lock Sensor Circuit" | Click here | |
| Proceed to "Air Mix Damper Control Servo Motor Circuit (Driver Side)" | Click here | |
| Proceed to "Cool Air Bypass Damper Control" | Click here | |
| Proceed to "Air Inlet Damper Control Servo Motor Circuit" | Click here | |
| Proceed to "Ambient Temperature Sensor Circuit" | Click here | |
| Proceed to "Evaporator Temperature Sensor Circuit" | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (air mix damper servo) (for LHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (air mix damper servo) (for RHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (cooler bypass damper servo) (for LHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (cooler bypass damper servo) (for RHD) | Click here | |
| No. 1 blower damper servo sub-assembly | Click here | |
| Air conditioning harness assembly (for LHD) | Click here | |
| Air conditioning harness assembly (for RHD) | Click here | |
| Air conditioning control assembly | Click here | |
| Air conditioning amplifier assembly | Click here | |
| Cooler expansion valve (for LHD) | Click here | |
| Cooler expansion valve (for RHD) | Click here | |
| Heater radiator unit sub-assembly (for LHD) | Click here | |
| Heater radiator unit sub-assembly (for RHD) | Click here | |
| ECM (for 1VD-FTV) | Click here | |
| ECM (for 1GR-FE) | Click here | |
| Temperature Control: No temperature control (only MAX. COOL or MAX. HOT) | Proceed to "CAN Communication System (for LHD)" | Click here |
| Proceed to "CAN Communication System (for RHD)" | Click here | |
| Proceed to "Air Mix Damper Control Servo Motor Circuit (Driver Side)" | Click here | |
| Proceed to "Cool Air Bypass Damper Control" | Click here | |
| Proceed to "Ambient Temperature Sensor Circuit" | Click here | |
| Proceed to "Evaporator Temperature Sensor Circuit" | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (air mix damper servo) (for LHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (air mix damper servo) (for RHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (cooler bypass damper servo) (for LHD) | Click here | |
| No. 1 air conditioning radiator damper servo sub-assembly (cooler bypass damper servo) (for RHD) | Click here | |
| Air conditioning harness assembly (for LHD) | Click here | |
| Air conditioning harness assembly (for RHD) | Click here | |
| Air conditioning control assembly | Click here | |
| Air conditioning amplifier assembly | Click here | |
| ECM (for 1VD-FTV) | Click here | |
| ECM (for 1GR-FE) | Click here | |
| No air inlet control | Proceed to "Air Inlet Damper Control Servo Motor Circuit" | Click here |
| No. 1 blower damper servo sub-assembly | Click here | |
| Air conditioning harness assembly (for LHD) | Click here | |
| Air conditioning harness assembly (for RHD) | Click here | |
| Air conditioning control assembly | Click here | |
| Air conditioning amplifier assembly | Click here | |
| No air flow mode control | Proceed to "Air Outlet Damper Control Servo Motor Circuit" | Click here |
| No. 1 blower damper servo sub-assembly (for LHD) | Click here | |
| No. 1 blower damper servo sub-assembly (for RHD) | Click here | |
| Air conditioning harness assembly (for LHD) | Click here | |
| Air conditioning harness assembly (for RHD) | Click here | |
| Air conditioning control assembly | Click here | |
| Air conditioning amplifier assembly | Click here | |
| PTC heater does not operate (w/ PTC Heater) | Proceed to "PTC Heater Circuit" | Click here |
| Proceed to "CAN Communication System (for LHD)" | Click here | |
| Air conditioning amplifier assembly | Click here | |
| ECM | Click here | |
| Engine idle up does not occur or is continuous | Proceed to "CAN Communication System (for LHD)" | Click here |
| Proceed to "CAN Communication System (for RHD)" | Click here | |
| Proceed to "Compressor Lock Sensor Circuit" | Click here | |
| Air conditioning amplifier assembly | Click here | |
| Proceed to "ECD System (for 1VD-FTV [w/o DPF])" | Click here | |
| Proceed to "ECD System (for 1VD-FTV [w/ DPF])" | Click here | |
| Proceed to "SFI System (for 1GR-FE)" | Click here | |
| Viscous with magnet clutch heater assembly does not operate when heater switch assembly is pushed while engine is cold* | Proceed to "Viscous Heater with Magnet Clutch Circuit" | Click here |
| Air conditioning amplifier assembly | Click here | |
| Blinking of air conditioning switch indicator | Air conditioning amplifier assembly | Click here |
| Engine idle up does not occur when idle up switch is pushed while engine is cold | Proceed to "Idle Up Switch Circuit" | Click here |
| Air conditioning amplifier assembly | Click here | |
| Diagnostic trouble codes are not stored, and set mode is cleared when ignition switch is off | Proceed to "Back-up Power Source Circuit" | Click here |
| Air conditioning amplifier assembly | Click here |
- *: w/ Viscous Heater