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 MANUALSTOYOTA20034 RUNNER 2WD V6-4.0L (1GR-FE)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYTESTING AND INSPECTIONPROGRAMMING AND RELEARNING
2003 Toyota 4 Runner 2WD V6-4.0L (1GR-FE)
Programming and Relearning
2003 Toyota 4 Runner 2WD V6-4.0L (1GR-FE)SECTION Programming and Relearning
REGISTRATION
HINT:
- If replacing the door control transmitter or the door control receiver, register the recognition code.
- The add mode is used to register new recognition codes while still retaining codes already registered. This mode is used when a new transmitter is added. If the number of registered codes exceeds 4, the previously registered codes will be erased In order, starting from the first registered code.
- The rewrite mode is used to erase all the previously registered recognition codes in order to register all new recognition codes. This mode is used when the transmitter or the door control receiver is exchanged for a new one.
- The confirmation mode is used to confirm how many recognition codes have already been registered before an additional registration of the recognition codes.
- The prohibition mode is used to erase all the registered codes and disables the wireless door lock function. This mode is used when the transmitter is lost.
- All the following registration procedures must be performed in order continuously.
1. REGISTER RECOGNITION CODE (using Hand-held Tester)
2. REGISTER RECOGNITION CODE (Without Hand-held Tester)
HINT:
- If replacing the door control transmitter or the door control receiver, register the recognition code.
- The add mode is used to register new recognition codes while still retaining codes already registered. This mode is used when a new transmitter is added. If the number of registered codes exceeds 4, the previously registered codes will be erased In order, starting from the first registered code.
- The rewrite mode is used to erase all the previously registered recognition codes in order to register all new recognition codes. This mode is used when the transmitter or the door control receiver is exchanged for a new one.
- The confirmation mode is used to confirm how many recognition codes have already been registered before an additional registration of the recognition codes.
- The prohibition mode is used to erase all the registered codes and disables the wireless door lock function. This mode is used when the transmitter is lost.
- All the following registration procedures must be performed in order continuously.
1. REGISTER RECOGNITION CODE (using Hand-held Tester)
2. REGISTER RECOGNITION CODE (Without Hand-held Tester)
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.