ignition SUZUKI GRAND VITARA 2001 2.G User Guide
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Page 80 of 656
AIR BAG STEERING WHEEL AND COLUMN 3C1-5
6) Remove steering upper shaft upper joint bolt (1) and nut (2)
and disconnect steering upper shaft upper joint removing in
arrow direction in the figure.
7) Remove steering column (1) mounting bolts (2 pieces) (2)
and nuts (2 pieces) (3).
8) If equipped with shift (key) interlock cable (1), remove shift
(key) interlock cable screw (2) and then disconnect its cable
(1) from ignition switch.
9) Remove steering column from vehicle.
INSPECTION
Check steering column for damage and operation referring to
CHECKING STEERING COLUMN AND STEERING UPPER
SHAFT FOR ACCIDENT DAMAGE later in this section.
INSTALLATION
1) Be sure that front wheels and steering wheel are in straight-
ahead position.
2) If equipped with shift (key) interlock cable (1), install shift
(key) interlock cable (1) to ignition switch.
Tightening torque
Shift (key) interlock cable screw (a) :
2.2 N·m (0.22 kg-m, 1.6 lb-ft)
1
2
1
32
CAUTION:
After tightening steering column mounting bolts, steer-
ing shaft joint bolts should be tightened.
Page 82 of 656
AIR BAG STEERING WHEEL AND COLUMN 3C1-7
Steering Upper Shaft Assembly
REMOVAL
1) Turn steering wheel so that vehicle’s front tires are at
straight-ahead position.
2) Turn ignition switch to “LOCK” position and remove key.
3) Make alignment marks (3) on shaft joint (2) and shaft (upper
shaft assembly side) (1) for a guide during reinstallation.
4) After removing bolt (4) on upper shaft assembly (1) side of
shaft joint (2) and loosening bolt (5) on its lower shaft assem-
bly (3) side, move shaft joint (2) to lower shaft assembly (3)
side (in arrow direction in the figure).
5) Remove steering upper shaft upper joint bolt (1) and nut (2)
and disconnect steering upper shaft upper joint removing in
arrow direction in the figure.
6) Remove steering upper shaft mounting bolts (4 pieces).
7) Remove steering upper shaft assembly from vehicle.CAUTION:
Never turn steering wheel while steering upper shaft
assembly is removed.
Should it have been turned and contact coil (on combina-
tion switch) have got out of its centered position, it needs
to be centered again. Also, turning steering wheel more
than about two and a half turns will break contact coil.
1
2
Page 84 of 656
AIR BAG STEERING WHEEL AND COLUMN 3C1-9
6) Install steering upper shaft upper joint bolt (2) and nut (1).
Tighten steering upper shaft upper joint nut (1) to specified
torque.
Tightening torque
Steering upper shaft upper joint nut (a) :
23 N·m (2.3 kg-m, 17.0 lb-ft)
Steering Lower Shaft Assembly
REMOVAL
1) Turn steering wheel so that vehicle’s front tires are at
straight-ahead position.
2) Turn ignition switch to “LOCK” position and remove key.
3) After removing bolt (4) on upper shaft assembly (1) side of
shaft joint (2) and loosening bolt (5) on its lower shaft assem-
bly (3) side, move shaft joint (2) to lower shaft assembly side
(3) (in arrow direction in figure).
4) Remove lower shaft assembly lower joint bolt (2) and then
remove lower shaft assembly (1).
5) Remove shaft joint bolt (lower shaft assembly side) from
shaft joint (3) and then remove shaft joint (3) from lower shaft
assembly (1).
1, (a) 2
CAUTION:
Never turn steering wheel while steering lower shaft
assembly is removed.
Should it have been turned and contact coil (on combina-
tion switch) have got out of its centered position, it needs
to be centered again. Also, turning steering wheel more
than about two and a half turns will break contact coil.
Page 106 of 656
BRAKES 5-1
5
SECTION 5
BRAKES
CONTENTS
Diagnosis .......................................................... 5-2
Diagnosis Table ............................................. 5-2
WARNING:
For vehicles equipped with 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 system section in order to confirm whether you are performing ser-
vice on or near the air bag system components or wiring. Please observe all WARNINGS and “Ser-
vice Precautions” 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
unintentional 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 description (items) not found in this section refer to the same section of the Service Manual
mentioned in the FOREWORD of this manual.
When inspecting and servicing vehicle equipped with ABS, be sure to refer to section 5E2 first.
All brake fasteners are important attaching parts in that they could affect the performance of vital
parts and systems, and/or could result in major repair expense. They must be replaced with one of
same part number or with an equivalent part if replacement becomes necessary. Do not use a
replacement part of lesser quality or substitute design. Torque values must be used as specified
during reassembly to assure proper retention of all parts. There is to be no welding as it may result
in extensive damage and weakening of the metal.
Page 107 of 656
5-2 BRAKES
Diagnosis
Diagnosis Table
For the item not found in this column, refer to the same item of the same section in the service manual men-
tioned in the FOREWORD of this manual.
Condition Possible Cause Correction
Brake warning light
turns on after engine
startParking brake applied Release parking brake and check
that brake warning light turns off.
Insufficient amount of brake fluid Add brake fluid.
Brake fluid leaking from brake line Investigate leaky point, correct it
and add brake fluid.
Brake warning light circuit faulty Repair circuit.
Malfunctioning EBD system Check system referring to “DIAG-
NOSIS” of Section 5E2.
ABS warning light
does not turn on for 2
– 3 sec. after ignition
switch has turned ON.Bulb burnt out Replace bulb.
ABS warning light circuit open (including check
relay)Check system referring to “DIAG-
NOSIS” in Section 5E2.
ABS warning light
remains on after igni-
tion switch has turned
on for 2 – 3 sec.Malfunctioning ABS Check system referring to “DIAG-
NOSIS” in Section 5E2.
Page 108 of 656
BRAKES PIPE/HOSE/MASTER CYLINDER 5A-1
5A
SECTION 5A
BRAKES PIPE/HOSE/MASTER CYLINDER
CONTENTS
General Description ....................................... 5A-2
Master Cylinder Assembly............................ 5A-2
On-Vehicle Service......................................... 5A-3
Front Brake Hose/Pipe ................................. 5A-3
Master Cylinder Reservoir ............................ 5A-6Master Cylinder Assembly ........................... 5A-7
Brake Booster .............................................. 5A-8
Tightening Torque Specification ................ 5A-10
Special Tool .................................................. 5A-10
WARNING:
For vehicles equipped with 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 system section in order to confirm whether you are performing ser-
vice on or near the air bag system components or wiring. Please observe all WARNINGS and “Ser-
vice Precautions” 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
unintentional 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 the same section of the Service Man-
ual mentioned in the FOREWORD of this manual.
All brake fasteners are important attaching parts in that they could affect the performance of vital
parts and systems, and/or could result in major repair expense. They must be replaced with one of
same part number or with an equivalent part if replacement becomes necessary. Do not use a
replacement part of lesser quality or substitute design. Torque values must be used as specified
during reassembly to assure proper retention of all parts. There is to be no welding as it may result
in extensive damage and weakening of the metal.
Page 118 of 656
PARKING AND REAR BRAKE 5C-1
5C
SECTION 5C
PARKING AND REAR BRAKE
CONTENTS
General Description ....................................... 5C-2
Drum Brake Assembly ................................. 5C-2
On-Vehicle Service......................................... 5C-3
Parking Brake Cable .................................... 5C-3Brake Drum .................................................. 5C-3
Wheel Cylinder............................................. 5C-5
Brake Back Plate ......................................... 5C-5
Tightening Torque Specification .................. 5C-7
WARNING:
For vehicles equipped with 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 system section in order to confirm whether you are performing ser-
vice on or near the air bag system components or wiring. Please observe all WARNINGS and “Ser-
vice Precautions” 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
unintentional 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 the same section of the Service Man-
ual mentioned in the FOREWORD of this manual.
All brake fasteners are important attaching parts in that they could affect the performance of vital
parts and systems, and/or could result in major repair expense. They must be replaced with one of
same part number or with an equivalent part if replacement becomes necessary. Do not use a
replacement part of lesser quality or substitute design. Torque values must be used as specified
during reassembly to assure proper retention of all parts. There is to be no welding as it may result
in extensive damage and weakening of the metal.
Page 126 of 656
ANTILOCK BRAKE SYSTEM (ABS) 5E2-1
5E2
SECTION 5E2
ANTILOCK BRAKE SYSTEM (ABS)
CONTENTS
General Description ..................................... 5E2-3
Components/Parts Location ....................... 5E2-3
ABS Hydraulic Unit/control Module
Assembly .................................................... 5E2-4
Self-diagnosis function ........................... 5E2-4
Fail-safe function .................................... 5E2-5
Diagnosis ...................................................... 5E2-5
Precautions in Diagnosing Troubles .......... 5E2-5
ABS Diagnostic Flow Table ........................ 5E2-6
ABS Warning Lamp Check ........................ 5E2-9
EBD Warning Lamp (Brake Warning Lamp)
Check ......................................................... 5E2-9
Diagnostic Trouble Code (DTC) Check
(Using ABS Warning Lamp) ..................... 5E2-10
Diagnostic Trouble Code (DTC) Check
(Using SUZUKI Scan Tool) ...................... 5E2-11
Diagnostic Trouble Code (DTC)
Clearance ................................................. 5E2-11
Diagnostic Trouble Code (DTC) Table ..... 5E2-12
System Circuit .......................................... 5E2-14Table-A ABS Warning Lamp Circuit Check
– Lamp Does Not Come “ON” at Ignition
Switch ON ................................................ 5E2-15
Table-B ABS Warning Lamp Circuit Check
– Lamp Comes “ON” Steady.................... 5E2-16
Table-C ABS Warning Lamp Circuit Check
– The Lamp Flashes Continuously While
Ignition Switch Is ON ................................ 5E2-17
Table-D Code (DTC) Is Not Outputted
Even with Diagnosis Switch Terminal
Connected to Ground............................... 5E2-18
Table-E EBD Warning Lamp (Brake
Warning Lamp) Check – Lamp Comes
“ON” Steady ............................................. 5E2-19
DTC C1015 (DTC 15) – G Sensor Circuit
and 4WD Lamp Circuit ............................. 5E2-20
DTC C1021 (DTC 21), DTC C1022
(DTC 22) – Right-Front Wheel Speed
Sensor Circuit or Sensor Ring ................. 5E2-22
DTC C1025 (DTC 25), DTC C1026
(DTC 26) – Left-Front Wheel Speed WARNING:
For vehicles equipped with 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 system section in order to confirm whether you are performing ser-
vice on or near the air bag system components or wiring. Please observe all WARNINGS and “Ser-
vice Precautions” 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
unintentional 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 5E1 of the Service Manual
mentioned in the FOREWORD of this manual.
All brake fasteners are important attaching parts in that they could affect the performance of vital
parts and systems, and/or could result in major repair expense. They must be replaced with one of
same part number or with an equivalent part if replacement becomes necessary. Do not use a
replacement part of lesser quality or substitute design. Torque values must be used as specified
during reassembly to assure proper retention of all parts. There is to be no welding as it may result
in extensive damage and weakening of the metal.
Page 129 of 656
5E2-4 ANTILOCK BRAKE SYSTEM (ABS)
ABS Hydraulic Unit/control Module Assembly
ABS control module is a component of ABS hydraulic unit/control
module assembly and has the following functions.
Self-diagnosis function
ABS control module diagnoses conditions of the system compo-
nent parts (whether or not there is any abnormality) all the time
and indicates the results (warning of abnormality occurrence and
DTC) through the ABS warning lamp as described below.
1) When ignition switch is turned ON, ABS warning lamp lights
for 2 seconds to check its bulb and circuit.
2) When no abnormality has been detected (the system is in
good condition), ABS warning lamp turns OFF after 2 sec-
onds.
3) When an abnormality in the system is detected, ABS warn-
ing lamp lights and the area where that abnormality lies is
stored in the memory of EEPROM in ABS control module.
4) When Diag. switch terminal (2) of diagnosis connector (1)
(monitor connector) is grounded, the abnormal area is output
as DTC. It is indicated by flashing of ABS warning lamp.
(Refer to the table below.)
5) For procedure to clear all DTC’s, refer to “DIAGNOSTIC
TROUBLE CODE CLEARANCE” in this section.
Also ABS control module turns ON EBD warning lamp (brake
warning lamp) depending on the trouble that detected by the
module and EBD warning lamp does not indicate DTC.
Fail-safe function
When an abnormality occurs (an abnormal DTC is detected),
ABS control module turns OFF the fail-safe relay which supplies
power to ABS hydraulic unit. Thus, with ABS not operating,
brakes function just like the brake system of the vehicle without
ABS.
SYSTEM CONDITIONABS WARNING LAMP
Diag. switch
terminal is
not groundedDiag. switch
terminal is
grounded
In good
condition
at presentNo trouble in the past OFF DTC 12
Trouble occurred in
the pastOFF History DTC
Abnormal-
ity exists
at presentNo trouble in the past ON Current DTC
Trouble occurred in
the pastONCurrent and
history DTCs
3. Ground terminal
4. Service wire
Page 133 of 656
5E2-8 ANTILOCK BRAKE SYSTEM (ABS)
b) Problem Symptom Confirmation
Check if what the customer claimed in “CUSTOMER QUESTIONNAIRE” is actually found in the vehicle
and if that symptom is found, whether it is identified as a failure. (This step should be shared with the cus-
tomer if possible.) Check warning lamps related to brake system referring to “EBD WARNING LAMP
(BRAKE WARNING LAMP) CHECK” and “ABS WARNING LAMP CHECK” in this section.
c) Diagnostic Trouble Code (DTC) Check, Record and Clearance
Perform “DIAGNOSTIC TROUBLE CODE CHECK” procedure in this section, record it and then clear it
referring to “DIAGNOSTIC TROUBLE CODE CLEARANCE” in this section.
If the malfunction DTC which was once displayed and then cleared cannot be detected (indicated) again
when the ignition switch is turned ON, attempt to diagnose the trouble based on the DTC recorded in this
step may mislead the diagnosis or make diagnosing difficult. Proceed to Step 2) to check control module for
proper self-diagnosis function.
If the malfunction DTC which was once displayed and then cleared can be detected (indicated) again when
ignition switch is turned ON, proceed to Step 3).
2) DRIVING TEST
Test drive the vehicle at 40 km/h for more than a minute and check if any trouble symptom (such as abnor-
mal lighting of ABS warning light) exists.
If the malfunction DTC is confirmed again at ignition switch ON, driving test as described in above is not nec-
essary. Proceed to Step 3).
3) DIAGNOSTIC TROUBLE CODE CHECK
Recheck diagnostic trouble code referring to “DTC CHECK” as shown in the following page.
4) DIAGNOSTIC TROUBLE CODE FLOW TABLE
According to Diagnostic flow table for the diagnostic trouble code confirmation in Step 3), locate the cause of
the trouble, namely in a sensor, switch, wire harness, connector, actuator assembly or other part and repair
or replace faulty parts.
5)“DIAGNOSIS” IN “BRAKES” SECTION
Check the parts or system suspected as a possible cause referring to “DIAGNOSIS” in “BRAKES” section
and based on symptoms appearing on the vehicle (symptom obtained through Steps 1)-a, 1)-b and 2) and
repair or replace faulty parts, if any).
6) CHECK FOR INTERMITTENT PROBLEM
Check parts where an intermittent trouble is easy to occur (e.g., wire harness, connector, etc.), referring to
“INTERMITTENT TROUBLE” in “GENERAL INFORMATION” section and related circuit of trouble code
recorded in Step 1)-c.
7) FINAL CONFIRMATION TEST
Confirm that the problem symptom has gone and the ABS is free from any abnormal conditions. If what has
been repaired is related to the malfunction DTC, clear the DTC once and perform test driving and confirm
that no DTC is indicated.