Engine Electrical Devices; Precautions; Precaution In Replacing Ecm; General Description - Suzuki GRAND VITARA 2005 Service Manual

1C-1 Engine Electrical Devices:

Engine Electrical Devices

Precaution in Replacing ECM

• If ECM is replaced with new one or a used one, the
engine cannot be started unless the key verification
code stored in ECM is registered in the immobilizer
control system.
Also, ECM is registered the following vehicle
information in addition of the key verification code.
After replacing ECM, register these information to new
ECM according to "Registration Procedure for the
ECM: ".

ECM Registration

The following vehicle information is registered in ECM.
• Fuel injector calibration codes
• EGR/Inlet throttle valve data
• Diesel PF (Diesel Particulate Filter) data
• Key verification code (for immobilizer control system)
If the following parts are replaced or ECM is reprogrammed, register the above-mentioned information in ECM as
below table.
Service Part
Replace ECM
Fuel injector(s)
EGR valve
Inlet throttle valve Inlet throttle valve data
Diesel Particulate
Filter
Reprogram ECM

Precautions

S5JB0B1300001

General Description

Registered data
• Fuel injector calibration codes
• EGR/Inlet throttle valve data
• Diesel PF (Diesel Particulate Filter)
data
• Key verification code
Fuel injector calibration code(s)
EGR valve data
Diesel PF (Diesel Particulate Filter) data Go to "Diesel Particulate Filter Data
Key verification code
– Fuel injector calibration codes
– EGR/Inlet throttle valve data
– Diesel PF (Diesel Particulate Filter) data
• If ECM is replaced with new or used one without the
function of the immobilizer control system, the engine
will not be started.
In case of the above-mentioned, check if the newly
installed ECM has the function of the immobilizer
control system referring to its part number.
Go to "Registration Procedure for the
ECM: ".
Go to "Registration Procedure for the Fuel
Injector Calibration Code: ".
Go to "EGR Valve Data Initialization: ".
Go to "Inlet Throttle Valve Data
Initialization: ".
Initialization: ".
Go to "Registration Procedure for the
ECM: ".
S5JB0B1301001
Reference