SYSTEM DIAGRAM
System Description
How To Proceed With TroubleshootingECU Power Source Circuit
DESCRIPTION
This is the power source for the tire pressure warning ECU.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the tire pressure warning ECU, read the transmitter IDs
stored in the old ECU using the Techstream and writ ...
Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (EFIO - IMI) to the certification ECU (smart key ECU
assembly) is stuck high output (e.g. shorted to +B), the ECM stores this DTC.
DTC No.
DTC Detection Condition
Trouble Area
...
Transmitter Battery(w/o Smart Key System)
Replacement
REPLACEMENT
PROCEDURE
1. REMOVE TRANSMITTER HOUSING COVER
(a) Using a precision screwdriver with its tip wrapped in protective
tape, pry open the transmitter housing cover.
NOTICE:
Do not forcibly pry the cover.
HINT:
...