Toyota RAV4 Service Manual: 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
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)
- 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:
Using the cd player
Power
Volume
Cd eject
Selecting a track or displaying
track list
Searching playback
Random play or back button
Repeat play
Fast-forwarding or rewinding
Changing the audio source/
playback
Playback/pause
Selecting a track
Displaying text message
Loading cds
Insert ...
Removal
Hint:
Use the same procedures for the rh side and lh side.
The procedures listed below are for the lh side.
Caution:
Be sure to read the precautionary notices concerning the
srs airbag system before servicing it (see page rs-1).
Disconnect cable from negative battery terminal
Cauti ...
Front occupant classification sensor lh collision detection
Description
Dtc b1785 is output when the occupant classification ecu receives a collision
detection signal sent by
the front occupant classification sensor lh when an accident occurs.
Dtc b1785 is also output when the front seat rh is subjected to a strong impact,
even if an actual
acc ...