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 MANUALSLEXUS1997ES 300 V6-3.0L (1MZ-FE)REPAIR AND DIAGNOSISRESTRAINTS AND SAFETY SYSTEMSAIR BAG SYSTEMSAIR BAG CONTROL MODULESERVICE AND REPAIR
1997 Lexus ES 300 V6-3.0L (1MZ-FE)
Air Bag Control Module: Service and Repair
1997 Lexus ES 300 V6-3.0L (1MZ-FE)SECTION Service and Repair
REMOVAL
NOTICE:
^ Do not open the cover or the case of the ECU and various computers unless absolutely necessary. (It the IC terminals are touched, the IC may be destroyed by static electricity.)
1. REMOVE THESE PARTS
a. Floor carpet bracket RH
b. Heater protector
2. REMOVE AIRBAG SENSOR ASSEMBLY
a. Disconnect the connector.
NOTICE: Remove the connector with the sensor assembly installed.
b. Using a torx wrench remove the 4 screws and the airbag sensor assembly.
Torx wrench: T40 (Part No. 09042-00020 or locally manufactured tool)
INSTALLATION
^ Never use SRS parts from another vehicle. When replacing parts, replace with new parts.
^ Never reuse the airbag sensor assembly involved in a collision when the airbag has deployed.
^ Never repair a sensor in order to reuse it.
1. INSTALL AIRBAG SENSOR ASSEMBLY
a. Using a torx wrench, install the airbag sensor assembly with the 4 screws.
Torx wrench: T40 (Part No. 09042-00020 or locally manufactured tool)
Torque: 21 N.m (210 kgf.cm, 15 ft.lbf)
b. Connect the connector.
NOTICE:
^ Installation of the connector is done with the sensor assembly installed.
^ Make sure the sensor assembly is installed to the specified torque.
^ If the sensor assembly has been dropped, or there are cracks, dents or other defects in the case, bracket or connector, replace the sensor assembly with a new one.
^ When installing the sensor assembly, take care that the SRS wiring does not interfere with other parts and is not pinched between other parts.
^ After installation, shake the sensor assembly to check that there is no looseness.
2. INSTALL THE REMOVED PARTS
NOTICE:
^ Do not open the cover or the case of the ECU and various computers unless absolutely necessary. (It the IC terminals are touched, the IC may be destroyed by static electricity.)
1. REMOVE THESE PARTS
a. Floor carpet bracket RH
b. Heater protector
Remove Airbag Sensor Assembly:
2. REMOVE AIRBAG SENSOR ASSEMBLY
a. Disconnect the connector.
NOTICE: Remove the connector with the sensor assembly installed.
b. Using a torx wrench remove the 4 screws and the airbag sensor assembly.
Torx wrench: T40 (Part No. 09042-00020 or locally manufactured tool)
INSTALLATION
^ Never use SRS parts from another vehicle. When replacing parts, replace with new parts.
^ Never reuse the airbag sensor assembly involved in a collision when the airbag has deployed.
^ Never repair a sensor in order to reuse it.
1. INSTALL AIRBAG SENSOR ASSEMBLY
a. Using a torx wrench, install the airbag sensor assembly with the 4 screws.
Torx wrench: T40 (Part No. 09042-00020 or locally manufactured tool)
Torque: 21 N.m (210 kgf.cm, 15 ft.lbf)
b. Connect the connector.
NOTICE:
^ Installation of the connector is done with the sensor assembly installed.
^ Make sure the sensor assembly is installed to the specified torque.
^ If the sensor assembly has been dropped, or there are cracks, dents or other defects in the case, bracket or connector, replace the sensor assembly with a new one.
^ When installing the sensor assembly, take care that the SRS wiring does not interfere with other parts and is not pinched between other parts.
^ After installation, shake the sensor assembly to check that there is no looseness.
2. INSTALL THE REMOVED PARTS
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.