Toyota Celica 2005 Repair Manual page 228

REGISTRATION
NOTICE:
The Vehicle Identification Number (VIN) must be input into the replaced ECM.
HINT:
The VIN is a 17−digit alphanumeric vehicle identification number. A hand−held tester is required to register
the VIN.
1. DESCRIPTION
This registration section consists of three parts, Input Instructions, Read VIN and Write VIN.
(a) Input Instructions: Explains the general VIN input instructions using a hand−held tester.
(b) Read VIN: Explains the VIN reading process in a flowchart. This process allows the VIN stored in the
ECM to be read, in order to confirm that the two VINs, provided with the vehicle and stored in the ve-
hicle's ECM, are the same.
(c) Write VIN: Explains the VIN writing process in a flowchart. This process allows the VIN to be input into
the ECM. If the ECM is changed, or the VINs do not match, the VIN can be registered, or overwritten
in the ECM by following this procedure.
2. INPUT INSTRUCTIONS
(a) Hand−held tester
The arrow buttons (UP, DOWN, RIGHT and LEFT) and numerical buttons (0 to 9) are used, in order
to input the VIN.
(b) Cursor Operation
To move the cursor around the tester screen, press the RIGHT and LEFT buttons.
(c) Alphabetical Character Input
(1) Press the UP and DOWN buttons to select the desired alphabetical character.
(2) After selection, the cursor should move.
(d) Numeric Character Input
(1) Press the numerical button corresponding to the number that you want to input.
(2) Select or input the correct character using the UP/DOWN buttons, or the numerical buttons.
HINT:
Numerical characters can be selected by using the UP and DOWN buttons.
(e) Correction
(1) After input, the cursor should move.
(2) When correcting the input character(s), put the cursor onto the character using the RIGHT or
LEFT button.
(f) Finishing Input Operation
(1) Make sure that the input VIN matches the vehicle VIN after input.
(2) Press the ENTER button on the tester.
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (1ZZ−FE)
227
DI−29
DID53−01