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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
IMMOBILIZER (DIAGNOSTICS)
Step
7
CHECK IGNITION KEY (TRANSPONDER).
1) Remove the key from ignition switch.
2) Start the engine using other key which is
already registered.
C: DTC P1571 REFERENCE CODE INCOMPATIBILITY
DTC DETECTING CONDITION:
Reference code incompatibility between body integrated module and ECM
Step
1
PERFORM TEACHING OPERATION ON IG-
NITION KEY.
Perform teaching operation on all keys of the
vehicle. Refer to "IMMOBILIZER TEACHING
OPERATION MANUAL".
Check
Does the engine start?
Check
Is the teaching operation for all
keys completed?
IM(diag)-20
Yes
Replace all the
Replace the body
ignition keys
integrated module
(including tran-
<Ref. to SL-44,
sponder). Execute
Body Integrated
the registration
Module.> and
procedure next.
replace all the igni-
Refer to "IMMOBI-
tion keys (includ-
LIZER TEACH-
ing transponder).
ING OPERATION
Execute the regis-
MANUAL".
tration procedure
next. Refer to
"IMMOBILIZER
TEACHING
OPERATION
MANUAL".
Yes
Finish the diagno-
Replace the ECM.
sis.
<Ref. to FU(H4SO
2.0)-34, Engine
Control Module
(ECM).> <Ref. to
FU(H4SO 2.5)-37,
Engine Control
Module (ECM).>
<Ref. to
FU(H4DOTC)-34,
Engine Control
Module (ECM).>
<Ref. to
FU(H6DO)-34,
Engine Control
Module (ECM).>
Replace the body
integrated module
<Ref. to SL-44,
Body Integrated
Module.> and
replace all the igni-
tion keys (includ-
ing transponder).
Execute the regis-
tration procedure
next. Refer to
"IMMOBILIZER
TEACHING
OPERATION
MANUAL".
No
No
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