Suzuki WagonR+ RB310 Service Manual page 1236

IMMOBILIZER CONTROL SYSTEM
WARNING:
For vehicles equipped with a Supplemental Restraint (Air Bag) System:
• Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to "Air Bag System Components and Wiring Location View" under
"General Description" in air bag section in order to confirm whether you are performing service on
or near the air bag system components or wiring. Please observe all WARNINGs and "Service Pre-
cautions" under "On-Vehicle Service" in air bag system section before performing service on or
around the air bag system components or wiring. Failure to follow WARNINGs could result in unin-
tentional activation of the system or could render the system inoperative.
Either of these two conditions may result in severe injury.
• Technical service work must be started at least 90 seconds after the ignition switch is turned to the
"LOCK" position and the negative cable is disconnected from the battery. Otherwise, the system
may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
NOTE:
For the descriptions (items) not found in this section, refer to section 8G of the Service Manual men-
tioned in FOREWORD of this manual.
General Description..................................... 8G3-2
Components............................................... 8G3-2
Operations.................................................. 8G3-2
Wiring Circuit .............................................. 8G3-2
ON-Board Diagnostic System .................... 8G3-3
Diagnosis...................................................... 8G3-4
Precautions in Diagnosing Troubles .......... 8G3-4
Diagnostic Flow Table................................ 8G3-5
Diagnostic Trouble Code (DTC) Check...... 8G3-6
Diagnostic Trouble Code (DTC)
Clearance................................................... 8G3-6
Diagnostic Trouble Code (DTC) Table....... 8G3-7
Inspection of Immobilizer Control
Module and Its Circuits............................... 8G3-8
DTC B3040 W-Line Communication
Fail ........................................................... 8G3-10
SECTION 8G3
(Z13DT ENGINE MODEL)
CONTENTS
IMMOBILIZER CONTROL SYSTEM (Z13DT ENGINE MODEL) 8G3-1
DTC B3042 W-Line CKT Malf
(Short to Ground) ......................................8G3-11
DTC B3043 W-Line CKT Malf
(Short to Battery).......................................8G3-12
DTC B3059 No Request from ECM ..........8G3-13
On-vehicle Service......................................8G3-14
Registration Procedure of Immobilizer
System Components.................................8G3-14
How to register ignition key...................8G3-14
Procedure after Immobilizer Control
Module replacement..............................8G3-14
Procedure after ECM replacement........8G3-14
Special Tools...............................................8G3-15
8G3