LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2004 >> Matrix Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 599 (Engine Immobilizer System - Diagnosis) >> Problem Symptoms Table

Problem Symptoms Table

WARNING: This page is about a different car, the 2002 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS INDEX

Symptom Suspect Area Refer To
Engine immobiliser system is not set.
(Engine starts with key codes except the registered key code)
  1. Power source circuit
  2. Transponder key ECU
 DTC B2799: Engine Immobileser System 
 
Engine does not start.
  1. Key
  2. Wire harness
  3. Transponder key amplifier circuit (w/Coil)
  4. Transponder key ECU
 (1)
-
DTC B2796: No Communication in Immobiliser system 
 
Security indicator is always ON.
  1. Security indicator
  2. Wire harness
  3. Theft deterrent ECU (2)
  4. Transponder key ECU
 (3)
-
 
 
Security indicator is always OFF.
(Although code has been registered in the automatic registration mode, indicator is not OFF)
  1. Wire harness
  2. Theft deterrent ECU (2)
  3. Transponder key ECU
 -
 
 
(1) Check whether or not the key which did not start the engine has been registered and that it is possible to start with other already registered keys.
(2) The security indicator gives blinking signals of the immobiliser when the Transponder Key ECU sends a command through BEAN to the Theft Deterrent ECU to activate the security indicator.
(3) Finish the automatic registration mode because the mode might still remain.
scientia non olet · About LEMON Manuals