Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 2004-2007 Approved SRM 04 05 206dv cib2797
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05-1855
DIAGNOSTICS - ENGINE IMMOBILIZER SYSTEM 052IL-04
DTC B2797 COMMUNICATION MALFUNCTION NO.1
CIRCUIT DESCRIPTION
This DTC is output when an error occurs in normal communication.
HINT:
Some noise is found in the communication line.
DTC No. DTC Detection Condition Trouble Area
S Key
Keys are positioned too close to each other, or noise oc- S Wire harness
B2797
curred in communication line S Transponder key amplifier
S Transponder key ECU assy
WIRING DIAGRAM
I14 T6
Transponder Key Amplifier Transponder Key ECU Assy
Y
CODE CODE
4 11
B52550
INSPECTION PROCEDURE
1 CHECK OPERATION OF TRANSPONDER KEY AMPLIFIER
(a) After replacing the transponder key amplifier, check that the engine starts.
OK NORMAL
(TRANSPONDER KEY AMPLIFIER DEFECTIVE)
NG
REPLACE TRANSPONDER KEY ECU ASSY
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2038
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