General Information
Immobilizer
P1698 Immobilizer-Invalid TP (TP has different PIN) - General Information
Component Location
General Description
Transponder is located near the Key knob and communicates while ignition ON translates encrypted PIN data back and forth.
Reference)
1. Transponder does not need a battery, only receives energy from the vehicle.
2. Transponder is all in one with the Key. Therefore, transponder cannot be removed or replaced and is semi-permanent unless damaged by induced shock.
DTC Description
If ICU detects invalid transponder data, the DTC will set.
DTC Detecting Condition
Diagnostic Circuit Diagram
Signal Waveform & Data
Fig.1) A normal signal waveform of antenna and immobilizer communication when IG key(TP : Transponder) is OFF to ON.