
Case Related to Condition/Status What you should do Refer to Note
1
Customer requests additional
Transponder Key(s). Program additional Transponder
Key(s). "Transponder Key Programming". Maximum five transponder keys can
be provided by additional
programming.
2
Customer lost Transponder Key(s). Once erase all Transponder Key(s)
information and re-program the
remaining key(s).
1. "Erase Transponder Key".
2. "Transponder Key Programming". If a transponder key is lost, all
transponder keys in the immobiliser
control system must be erased due to
safety reason.
3
Transponder Key replacement was
determined by diagnostic checking
procedure.
Replace Transponder Key(s) and
program Transponder Key(s). 1. "Erase Transponder Key".
2. "Transponder Key Programming".
4
Replace ICU. "Brand-new" ICU is
available. "ICU Programming".
5
Replace ICU. Temporally use "Re-
used" ICU, because "Brand-new" ICU
is NOT available.
1. "Reset ICU" at ORIGINAL vehicle.
2. "ICU Programming". "Re-used" ICU must be reset using
with ORIGINAL vehicle.
6
Replace ECM/PCM. "Brand-new"
ECM/PCM is available. "ECM/PCM Programming". The replacement ECM/PCM must be
programmed engine control
calibration data. Refer to section of
the Service Programming System
(SPS).
7
Replace ECM/PCM. Temporally use
"Re-used" ECM/PCM, because
"Brand-new" ECM/PCM is NOT
available.
1. "Reset ECM/PCM" at ORIGINAL
vehicle.
2. "ECM/PCM Programming".
"Re-used" ECM/PCM must be reset
using with ORIGINAL vehicle.
8
Replace ICU & ECM/PCM. "Brand-
new" ICU & ECM/PCM are available. "ICU & ECM/PCM Programming".
9
Replace ICU & ECM/PCM.
Temporally use "Re-used" ICU and/or
ECM/PCM, because "Brand-new" ICU
and/or ECM/PCM is NOT available.
1. "Reset ICU" at ORIGINAL vehicle.
and/or
1. "Reset ECM/PCM" at ORIGINAL
vehicle.
2. "ICU & ECM/PCM Programming".
ICU replacement was determined by
diagnostic checking procedure.
ECM/PCM replacement was
determined by diagnostic checking
procedure.
ICU & ECM/PCM replacement were
determined by diagnostic checking
procedure.
IMMOBILISER SYSTEM "RESET" & " PROGRAMMING" PROCEDURE REFERENCE GUIDE
1. If ICU & ECM/PCM replacement
were determined at the same time,
Transponder Key(s) must be
replaced, too.
2. The replacement ECM/PCM must
be programmed engine control
calibration data. Refer to section of
the Service Programming System
(SPS).
ICU (Immobiliser Control Unit) &
ECM/PCM (Engine Control
Module/Powertrain Control Module)
ECM/PCM (Engine Control
Module/Powertrain Control Module)
ICU (Immobiliser Control Unit)
Transponder Key