Toyota RAV4 Quiz
Engine immobiliser

Security indicator light circuit

In this manual: Engine immobiliser
Introduction — 37Interior — 12Exterior — 432Az-fe engine mechanical — 1552Az-fe ignition — 182Az-fe charging — 232Az-fe emission control — 82az-fe exhaust — 32Az-fe fuel — 72Az-fe lubrication — 4Brake — 17Brake control — 63U140f automatic transaxle — 59Instrument panel — 8Suspension — 18Drive shaft — 23Axle — 6Tire and wheel — 30Air conditioning — 93Lighting — 45Cruise control — 21Differential — 12Door lock — 31Engine immobiliser — 21Horn — 5Can communication — 27Mirror — 5Parking brake — 5Power steering — 27Propeller shaft — 3Seat — 29Seat belt — 27Sliding roof — 25Steering column — 6Wiper and washer — 11Supplemental restraint system — 95Other system — 5Maintenance — 14
7steps
~42min
2/5difficulty
Done 0 of 7
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
Toyota RAV4. Security indicator light circuit

Inspection procedure
  1. Perform active test by intelligent tester (security indicator light)
  2. Select the active test, use the intelligent tester (with can vim) to generate a command, and then check that the security indicator light operation is normal.
    Toyota RAV4. Perform active test by intelligent tester (security indicator light)

Ok: security indicator light turns on / off.


  1. Check wire harness (transponder key ecu - security indicator light)
Toyota RAV4. Check wire harness (transponder key ecu - security indicator light)

  1. Disconnect the e46 ecu connector.
  2. Disconnect the e22*1 or e23*2 light connector.
  3. Measure the resistance of the wire harness side connectors.
Hint:

*1: For manual air conditioning system

*2: For automatic air conditioning system

Standard resistance: for manual air conditioning system
For automatic air conditioning system


  1. Inspect transponder key ecu (output)
Toyota RAV4. Inspect transponder key ecu (output)

  1. Remove the transponder key ecu with its connectors still connected.
  2. Measure the voltage of the ecu.
Standard voltage


Replace clock sub-assembly (for manual air conditioning system), heater control panel (for automatic air conditioning system)

Test yourself

A quick Toyota RAV4 quiz: every answer comes with an explanation and a link to the manual page.