Toyota RAV4 (XA40) 2013-2018 Service Manual: Unlock warning switch

Toyota RAV4 (XA40) 2013-2018 Service Manual / Engine immobiliser / Unlock warning switch

Toyota RAV4. Unlock warning switch

Inspection

Inspect unlock warning switch assembly

Measure the resistance of the switch.

Standard resistance

If the result is not as specified, replace the switch assembly.

Ecu power source circuit

Description

This circuit provides power to operate the transponder key ecu.

Wiring diagram

Toyota RAV4. Ecu power source circuit

Inspection procedure

Inspect fuse (ecu-b2)

Remove the ecu-b2 fuse from the engine room no. 2 Relay block.
Measure the resistance of the fuse.

Standard resistance: below 1

Check wire harness (transponder key ecu - battery and body ground)

Toyota RAV4. Check wire harness (transponder key ecu - battery and body ground)

Disconnect the e46 ecu connector.
Measure the resistance and voltage of the wire harness side connector.

Standard resistance

Standard voltage

Proceed to next circuit inspection shown in problem symptoms table

Security indicator light circuit

Description When the transponder key is registered, the transponder key ecu indicates the key registration condition by lighting up, blinking or turning off the security indicator. Wiring diagram ...

Horn

...

Other materials:

Registering a bluetooth® phone for the first time
To use the hands-free system, it is necessary to register a bluetooth® phone with the system. Once the phone has been registered, it is possible to use the hands-free system. For details about registering a bluetooth® device Turn the bluetooth® connection setting of your cellular phon ...

Internal control module random access memory (ram) error
Description The ecm continuously monitors its own internal memory status, internal circuits, and output signals transmitted to the throttle actuator. This self-check ensures that the ecm is functioning properly. If any malfunction is detected, the ecm sets the appropriate dtc and illumina ...

Communication
Description The skid control ecu sends signals such as cruise control cancel demand signals and brake operation demand from ecm response signals to the ecm when the cruise control system is in operation. Inspection procedure Hint: This circuit uses can communication. Therefore, if t ...