Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS1999RX 300 AWD V6-3.0L (1MZ-FE)REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYSERVICE AND REPAIR
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)
Control Assembly: Service and Repair
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)SECTION Service and Repair
REMOVAL
1. REMOVE CENTER LOWER CLUSTER FINISH PANEL Refer to Instrument Panel, Service and Repair.
2. REMOVE INTEGRATION CONTROL PANEL
Remove the 4 bolts and pull out the panel, then disconnect the connector.
3. REMOVE MULTI DISPLAY
Remove the 3 screws and multi display.
4. REMOVE RADIO
Remove the 4 screws and radio.
5. REMOVE PANEL ECU
Remove the 6 screws and ECU.
6. HEATER CONTROL
Remove the 15 screws and heater control.
7. REMOVE KNOBS
8. REMOVE PLATE
INSTALLATION
Installation is the reverse order of removal
1. REMOVE CENTER LOWER CLUSTER FINISH PANEL Refer to Instrument Panel, Service and Repair.
2. REMOVE INTEGRATION CONTROL PANEL
Remove the 4 bolts and pull out the panel, then disconnect the connector.
3. REMOVE MULTI DISPLAY
Remove the 3 screws and multi display.
4. REMOVE RADIO
Remove the 4 screws and radio.
5. REMOVE PANEL ECU
Remove the 6 screws and ECU.
6. HEATER CONTROL
Remove the 15 screws and heater control.
7. REMOVE KNOBS
8. REMOVE PLATE
INSTALLATION
Installation is the reverse order of removal
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.