Symptom
| Suspected Area
| See page
|
All functions of A/C system do not operate
| Proceed to "IG Power Source Circuit"
| LandCruiser RM000002LLU06YX.html
|
Proceed to "Back-up Power Source Circuit"
| LandCruiser RM000002LLV070X.html
|
Proceed to "Air Conditioning Control Panel Circuit"
| LandCruiser RM000001J2809VX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
LIN communication system
| LandCruiser RM000001RSO0BWX.html
|
Air Flow Control: No blower operation
| Proceed to "Blower Motor Circuit"
| LandCruiser RM000002LLW05NX.html
|
Proceed to "Air Conditioning Control Panel Circuit"
| LandCruiser RM000001J2809VX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
LIN communication system
| LandCruiser RM000001RSO0BWX.html
|
Air Flow Control: No blower control
| Proceed to "Blower Motor Circuit"
| LandCruiser RM000002LLW05NX.html
|
Proceed to "Air Conditioning Control Panel Circuit"
| LandCruiser RM000001J2809VX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
LIN communication system
| LandCruiser RM000001RSO0BWX.html
|
Air Flow Control: Insufficient air flow
| Proceed to "Blower Motor Circuit"
| LandCruiser RM000002LLW05NX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
Temperature Control: No cool air comes out
| Check volume of refrigerant
| LandCruiser RM000001R8Z04QX.html
|
Check for refrigerant gas leak
| LandCruiser RM000001R8Y04UX.html
|
Replace cooler expansion valve
| LandCruiser RM000003AXS04FX.html
|
Check cooler compressor assembly (for 2TR-FE)
| LandCruiser RM0000016AI06OX.html
|
Check cooler compressor assembly (for 1GR-FE)
| LandCruiser RM0000016AI06NX.html
|
Check cooler compressor assembly (for 1KD-FTV)
| LandCruiser RM0000046BZ006X.html
|
Check cooler compressor assembly (for 1GD-FTV)
| LandCruiser RM0000016AI06PX.html
|
Proceed to "Pressure Sensor Circuit"
| LandCruiser RM000003E0P05HX.html
|
Check No. 1 pressure switch*2
| LandCruiser RM00000202W072X.html
|
Proceed to "Air Conditioning Compressor Magnetic Clutch Circuit"
| LandCruiser RM000000XCQ0A7X.html
|
Proceed to "Compressor Lock Sensor Circuit"
| LandCruiser RM0000026BV0AIX.html
|
Proceed to "Air Mix Damper Control Servo Motor Circuit (Driver Side)"
| LandCruiser RM000002RON043X.html
|
Proceed to "Air Mix Damper Control Servo Motor Circuit (Passenger Side)"
| LandCruiser RM000002LLI05IX.html
|
Proceed to "Room Temperature Sensor Circuit"
| LandCruiser RM000002LJ3046X.html
|
Proceed to "Ambient Temperature Sensor Circuit"
| LandCruiser RM000002LJ406WX.html
|
Proceed to "Evaporator Temperature Sensor Circuit"
| LandCruiser RM000002LJ5068X.html
|
Proceed to "Driver Side Solar Sensor Short Circuit"
| LandCruiser RM000003N3S07LX.html
|
Proceed to "Front Passenger Side Solar Sensor Short Circuit"
| LandCruiser RM000003N3S07MX.html
|
Proceed to "BUS IC Communication Malfunction"
| LandCruiser RM000002LLQ052X.html
|
Proceed to "Air Conditioning Control Panel Circuit"
| LandCruiser RM000001J2809VX.html
|
Replace damper servo sub-assembly (driver side air mix damper servo)
| LandCruiser RM0000017ZR08SX.html
|
Replace damper servo sub-assembly (front passenger side air mix damper servo)
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning harness assembly
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
LIN communication system
| LandCruiser RM000001RSO0BWX.html
|
Temperature Control: No warm air comes out
| Proceed to "Air Conditioning Control Panel Circuit"
| LandCruiser RM000001J2809VX.html
|
Proceed to "Air Mix Damper Control Servo Motor Circuit (Driver Side)"
| LandCruiser RM000002RON043X.html
|
Proceed to "Air Mix Damper Control Servo Motor Circuit (Passenger Side)"
| LandCruiser RM000002LLI05IX.html
|
Proceed to "Room Temperature Sensor Circuit"
| LandCruiser RM000002LJ3046X.html
|
Proceed to "Ambient Temperature Sensor Circuit"
| LandCruiser RM000002LJ406WX.html
|
Proceed to "Driver Side Solar Sensor Short Circuit"
| LandCruiser RM000003N3S07LX.html
|
Proceed to "Front Passenger Side Solar Sensor Short Circuit"
| LandCruiser RM000003N3S07MX.html
|
Proceed to "BUS IC Communication Malfunction"
| LandCruiser RM000002LLQ052X.html
|
Replace damper servo sub-assembly (driver side air mix damper servo)
| LandCruiser RM0000017ZR08SX.html
|
Replace damper servo sub-assembly (front passenger side air mix damper servo)
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning harness assembly
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
LIN communication system
| LandCruiser RM000001RSO0BWX.html
|
Temperature Control: Output air is warmer or cooler than set temperature or response is slow
| Check volume of refrigerant
| LandCruiser RM000001R8Z04QX.html
|
Check for refrigerant gas leak
| LandCruiser RM000001R8Y04UX.html
|
Replace cooler expansion valve
| LandCruiser RM000003AXS04FX.html
|
Check cooler compressor assembly (for 2TR-FE)
| LandCruiser RM0000016AI06OX.html
|
Check cooler compressor assembly (for 1GR-FE)
| LandCruiser RM0000016AI06NX.html
|
Check cooler compressor assembly (for 1KD-FTV)
| LandCruiser RM0000046BZ006X.html
|
Check cooler compressor assembly (for 1GD-FTV)
| LandCruiser RM0000016AI06PX.html
|
Replace heater radiator unit sub-assembly
| LandCruiser RM000003AXS04FX.html
|
Proceed to "Pressure Sensor Circuit"
| LandCruiser RM000003E0P05HX.html
|
Check No. 1 pressure switch*2
| LandCruiser RM00000202W072X.html
|
Proceed to "Air Conditioning Compressor Magnetic Clutch Circuit"
| LandCruiser RM000000XCQ0A7X.html
|
Proceed to "Compressor Lock Sensor Circuit"
| LandCruiser RM0000026BV0AIX.html
|
Proceed to "Air Mix Damper Control Servo Motor Circuit (Driver Side)"
| LandCruiser RM000002RON043X.html
|
Proceed to "Air Mix Damper Control Servo Motor Circuit (Passenger Side)"
| LandCruiser RM000002LLI05IX.html
|
Proceed to "Air Inlet Damper Control Servo Motor Circuit"
| LandCruiser RM000002LLJ05JX.html
|
Proceed to "Room Temperature Sensor Circuit"
| LandCruiser RM000002LJ3046X.html
|
Proceed to "Ambient Temperature Sensor Circuit"
| LandCruiser RM000002LJ406WX.html
|
Proceed to "Evaporator Temperature Sensor Circuit"
| LandCruiser RM000002LJ5068X.html
|
Proceed to "Driver Side Solar Sensor Short Circuit"
| LandCruiser RM000003N3S07LX.html
|
Proceed to "Front Passenger Side Solar Sensor Short Circuit"
| LandCruiser RM000003N3S07MX.html
|
Proceed to "BUS IC Communication Malfunction"
| LandCruiser RM000002LLQ052X.html
|
Proceed to "Air Conditioning Control Panel Circuit"
| LandCruiser RM000001J2809VX.html
|
Replace damper servo sub-assembly (driver side air mix damper servo)
| LandCruiser RM0000017ZR08SX.html
|
Replace damper servo sub-assembly (front passenger side air mix damper servo)
| LandCruiser RM0000017ZR08SX.html
|
Replace recirculation damper servo sub-assembly
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning harness assembly
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
LIN communication system
| LandCruiser RM000001RSO0BWX.html
|
Temperature Control: No temperature control (only MAX COOL or MAX WARM)
| Proceed to "Air Conditioning Control Panel Circuit"
| LandCruiser RM000001J2809VX.html
|
Proceed to "Air Mix Damper Control Servo Motor Circuit (Driver Side)"
| LandCruiser RM000002RON043X.html
|
Proceed to "Air Mix Damper Control Servo Motor Circuit (Passenger Side)"
| LandCruiser RM000002LLI05IX.html
|
Proceed to "Room Temperature Sensor Circuit"
| LandCruiser RM000002LJ3046X.html
|
Proceed to "Ambient Temperature Sensor Circuit"
| LandCruiser RM000002LJ406WX.html
|
Proceed to "Evaporator Temperature Sensor Circuit"
| LandCruiser RM000002LJ5068X.html
|
Proceed to "Driver Side Solar Sensor Short Circuit"
| LandCruiser RM000003N3S07LX.html
|
Proceed to "Front Passenger Side Solar Sensor Short Circuit"
| LandCruiser RM000003N3S07MX.html
|
Proceed to "BUS IC Communication Malfunction"
| LandCruiser RM000002LLQ052X.html
|
Replace damper servo sub-assembly (driver side air mix damper servo)
| LandCruiser RM0000017ZR08SX.html
|
Replace damper servo sub-assembly (front passenger side air mix damper servo)
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning harness assembly
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
LIN communication system
| LandCruiser RM000001RSO0BWX.html
|
No air inlet control
| Proceed to "BUS IC Communication Malfunction"
| LandCruiser RM000002LLQ052X.html
|
Proceed to "Air Inlet Damper Control Servo Motor Circuit"
| LandCruiser RM000002LLJ05JX.html
|
Replace recirculation damper servo sub-assembly
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning harness assembly
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
No air flow mode control
| Proceed to "BUS IC Communication Malfunction"
| LandCruiser RM000002LLQ052X.html
|
Proceed to "Air Outlet Damper Control Servo Motor Circuit"
| LandCruiser RM000002ROM05XX.html
|
Replace damper servo sub-assembly (mode damper servo)
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning harness assembly
| LandCruiser RM0000017ZR08SX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
Engine coolant does not warm up quickly when engine is cold (PTC heater does not operate)*1
| Proceed to "PTC Heater Circuit"
| LandCruiser RM000001GFJ06DX.html
|
Proceed to "Generator Signal Circuit"
| LandCruiser RM000002YPV03AX.html
|
Replace generator assembly (for 1GR-FE)
| LandCruiser RM000001ONP052X.html
|
Replace generator assembly (for 1KD-FTV)
| LandCruiser RM000000IYC00QX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
Viscous with magnet clutch heater assembly does not operate when heater switch assembly is pushed while engine is cold*3
| Proceed to "Viscous Heater with Magnet Clutch Circuit"
| LandCruiser RM000000XCQ0A8X.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
CAN communication system (for LHD with Entry and Start System)
| LandCruiser RM000001RSO0C5X.html
|
CAN communication system (for RHD with Entry and Start System)
| LandCruiser RM000001RSO0BZX.html
|
Engine idle up does not occur when idle up switch is pushed while engine is cold*4
| Proceed to "Idle Up Switch Circuit"
| LandCruiser RM0000044GA00PX.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
CAN communication system (for LHD with Entry and Start System)
| LandCruiser RM000001RSO0C5X.html
|
CAN communication system (for RHD with Entry and Start System)
| LandCruiser RM000001RSO0BZX.html
|
Engine idle up does not occur or is continuous
| Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|
Replace ECM (for 2TR-FE)
| LandCruiser RM000000VW203EX.html
|
Replace ECM (for 1GR-FE)
| LandCruiser RM00000329203TX.html
|
Replace ECM (for 1KD-FTV)
| LandCruiser RM0000013Z002CX.html
|
Replace ECM (for 1GD-FTV)
| LandCruiser RM0000013Z002DX.html
|
CAN communication system (for LHD with Entry and Start System)
| LandCruiser RM000001RSO0C5X.html
|
CAN communication system (for LHD without Entry and Start System)
| LandCruiser RM000001RSO0BYX.html
|
CAN communication system (for RHD with Entry and Start System)
| LandCruiser RM000001RSO0BZX.html
|
CAN communication system (for RHD without Entry and Start System)
| LandCruiser RM000001RSO0C0X.html
|
Diagnostic trouble codes are not stored, and set mode is cleared when ignition switch is off
| Proceed to "Back-up Power Source Circuit"
| LandCruiser RM000002LLV070X.html
|
Replace air conditioning amplifier assembly
| LandCruiser RM0000039R5028X.html
|