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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSLEXUS1999RX 300 AWD V6-3.0L (1MZ-FE)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYKEYLESS ENTRY TRANSMITTERTESTING AND INSPECTIONCOMPONENT INSPECTION
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)
Component Inspection
1999 Lexus RX 300 AWD V6-3.0L (1MZ-FE)SECTION Component Inspection
INSPECT WIRELESS DOOR LOCK TRANSMITTER OPERATION
HINT: Refer to "Wireless door lock control transmitter battery replacement".
a. Using a screwdriver, remove the screw and cover.
b. Remove the battery (lithium battery).
c. Install a new or normal battery (lithium battery).
HINT: When a new or normal battery can not be obtained, connect 2 new 1.5 V batteries in series, connect the battery (+) to the battery receptacle side terminal and battery (-) to the bottom terminal, then apply 3 V voltage to the transmitter.
d. In the location where is approx. 1 M away from driver's outside handle in the right direction, face the key plate of the transmitter to the vehicle, and check the transmitter operation when pressing transmission switch on the side of the transmitter body.
Standard:
- Remote control of vehicle door lock can be operated.
- LED lights up more than once.
HINT:
- The minimum operation distance differs according to operator, the way of holding the transmitter, and location.
- As weak wave is used, operation distance might be shortened when noise is detected in strong wave or used frequency.
e. Install the battery (lithium battery).
f. Install a cover so that O-ring is not distorted or slipped off.
g. Using a screwdriver, tighten the screw.
HINT: Refer to "Wireless door lock control transmitter battery replacement".
a. Using a screwdriver, remove the screw and cover.
b. Remove the battery (lithium battery).
c. Install a new or normal battery (lithium battery).
HINT: When a new or normal battery can not be obtained, connect 2 new 1.5 V batteries in series, connect the battery (+) to the battery receptacle side terminal and battery (-) to the bottom terminal, then apply 3 V voltage to the transmitter.
d. In the location where is approx. 1 M away from driver's outside handle in the right direction, face the key plate of the transmitter to the vehicle, and check the transmitter operation when pressing transmission switch on the side of the transmitter body.
Standard:
- Remote control of vehicle door lock can be operated.
- LED lights up more than once.
HINT:
- The minimum operation distance differs according to operator, the way of holding the transmitter, and location.
- As weak wave is used, operation distance might be shortened when noise is detected in strong wave or used frequency.
e. Install the battery (lithium battery).
f. Install a cover so that O-ring is not distorted or slipped off.
g. Using a screwdriver, tighten the screw.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.