Replacement Of The Keyless Start Control Module; Keyless Start Control Module Substitution - Suzuki GRAND VITARA JB416 Service Manual

10E-4 Keyless Start System:
Precautions in Diagnosing Troubles
• The keyless start system executes data transmission/
reception by means of the radio wave. Therefore,
proper operation may not be obtained if use of the
door lock function and engine start function of the
keyless start system is attempted near the place
where strong radio wave is emitted (TV and radio
broadcasting stations, etc.).
• Diagnostic information stored in keyless start control
module memory can be checked only by key indicator
lamp.
• Be sure to use the trouble diagnosis procedure as
described in "Keyless Start System Check: in related
manual". Failure to follow it may result in incorrect
diagnosis. (Some other DTC may be stored by
mistake in the memory of keyless start control module
during inspection.)
• Be sure to read "Precautions for Electrical Circuit
Service: in Section 00 in related manual" before
inspection and observe what is written there.
• Communication of ECM, BCM, TCM (A/T model),
4WD control module (if equipped), ABS or ESP®
control module, keyless start control module, steering
angle sensor (if equipped) and combination meter is
established by CAN (Controller Area Network). (For
detail of CAN communication for keyless start control
module, refer to "CAN Communication System
Description: "). Therefore, handle CAN
communication line with care referring to "Precaution
for CAN Communication System: in Section 00 in
related manual".

• Replacement of the keyless start control module

When keyless start control module is replaced with
new one, make sure that register remote controller ID
code to Keyless start control module correctly
according to "Registration Procedure for Remote
Controller ID Code: in related manual".

• Keyless start control module substitution

When the keyless start control module used in
another vehicle was installed in the vehicle, register
the ID code of the remote controller in the keyless
start control module as well as the ignition key
transponder code for the immobilizer control system in
ECM. For the registration procedure of the ignition key
transponder code, refer to "Registration of the Ignition
Key: in Section 10C in related manual".
Diagnostic Information and Procedures
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DTC Check
1) Check to make sure that all doors are closed.
2) Open driver side door window glass and door.
3) Check to make sure that ignition key is not inserted
in ignition key cylinder. If it is, remove it.
4) Perform "Key Indicator Lamp Check: in related
manual".
5) Close driver side door and within 15 seconds after
that, perform Steps a) through e) described below.
a) Insert ignition key (1) in ignition key cylinder (2).
b) Remove ignition key from ignition key cylinder.
c) Repeat Steps a) and b) twice.
d) Insert ignition key in ignition key cylinder.
e) Push driver side door request switch (3) 4 times.
At the end of Step e), buzzer sounds 4 times to
inform that trouble diagnosis mode has started.
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