2003 SUZUKI GRAND VITARA turn light

YH4
GRAND
VITARA
1. Pawl lever
2. Adjuster
3. Brake shoes
5C-8 PARKING AND REAR BRAKE
Cracked, Scored, or Grooved Drum
A cracked, drum is unsafe for further service and must be replaced.
Do not attempt to weld a cracked drum.
Smooth up any slight scores. Heavy or extensive scoring will cause
excessive brake lining wear and it will probably be necessary to re-
surface drum braking surface.
If brake linings are slightly worn and drum is grooved, drum should
be polished with fine emery cloth but should no be turned.
NOTE:
When drum is removed, visually inspect wheel cylinder for
brake fluid leakage. Correct leaky point, if any.
Brake Shoe
Where lining is worn out beyond service limit, replace shoe.
Thickness ªaº
Standard: 6.5 mm (0.24 in.)
Service limit: 3.0 mm (0.12 in.)
If one of brake linings is to service limit, all linings must be replaced
at the same time.
CAUTION:
Never polish lining with sandpaper. If lining is polished with
sandpaper, hard particles of sandpaper will be deposited in
lining and may damage drum. When it is required to correct
lining, replace it with a new one.
INSTALLATION
NOTE:
See NOTE at the beginning of the section.
1) Before installing brake drum, check outer diameter of brake
shoes. If it is not within value as specified below, adjust it to spec-
ification by turning adjuster.
Outer diameter of brake shoes
ªaº: 219.4 ± 219.7 mm (8.638 ± 8.650 in.)

YH4
GRAND
VITARA
1. Diagnosis connector
(6 pins connector)
2. Ground terminal3. Diag. switch terminal
4. Service wire
5E1-6 ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL)
ABS HYDRAULIC UNIT/CONTROL MODULE
ASSEMBLY
ABS control module is a component of ABS hydrauli 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 ªABSº warning lamp as described below.
1) When ignition switch is turned ON, ªABSº 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), ªABSº warning lamp turns OFF after 2 seconds.
3) When the vehicle starts to move after the ignition switch is turned
ON (more than one wheel speed sensor signals are inputted),
solenoid valves and motor of ABS hydraulic unit operate once
one after another for electrical check.
During this check, motor operation sound may be heard but that
means nothing abnormal.
4) When an abnormality in the system is detected, ªABSº warning
lamp lights and the area where that abnormality lies is stored in
the memory of EEPROM in ABS control module.
5) When Diag. switch terminal of diagnosis connector (monitor
connector) is grounded, the abnormal area is output as DTC. It
is indicated by flashing of ªABSº warning lamp. (Refer to the
table below. )
ABS WARNING LAMP
SYSTEM CONDITIONDiag. switch
terminal is not
groundedDiag. switch
terminal is
grounded
In good condi-
No trouble in
the pastOFFDTC 12g
tion at presentTrouble occur-
red in the pastOFFHistory DTC
Abnormality
exists at
No trouble in
the pastONCurrent DTC
exists at
presentTrouble occur-
red in the pastONCurrent and
history DTCs
For procedure to clear all DTC's, refer to the item ªDiagnostic
Trouble Code Clearanceº in this section.
Also ABS control module turns ON EBD warning lamp (brake warn-
ing lamp) depending on the trouble that detected by the module and
EBD warning lamp does not indicate DTC as well as ªABSº warning
lamp.
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 func-
tion just like the brake system of the vehicle not equipped with ABS.

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GRAND
VITARA
ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL) 5E1-9
1-1. CUSTOMER COMPLAINT ANALYSIS
Record details of the problem (failure, complaint) and how it occurred as described by the customer.
For this purpose, use of such a questionnaire form as shown below will facilitate collecting information to the
point required for proper analysis and diagnosis.
CUSTOMER QUESTIONNAIRE (EXAMPLE)
Customer's name:Model:VIN:
Date of issue:Date Reg.Date of problem:Mileage:
Problem Symptoms

ªABSº warning light abnormal: fails to turn on/fails to go off /
flashes

Abnormal noise while vehicle is running: from motor, from valve,
other__________________

Wheel is locked at braking:

Pump motor does not stop (running):

Braking does not work:

Other:
Frequency of occurrence
Continuous/Intermittent ( times a day, a month) /
other______________
Conditions for Occurrence
of Problem

Vehicle at stop & ignition switch ON:

When starting: at initial start only / at every start / Other______________

Vehicle speed: while accelerating / while decelerating / at stop /
while turning / while running at constant speed /
other________________

Road surface condition: Paved road / rough road / snow-covered
road / other_________________

Chain equipment:
Environmental Condition
Weather: fair / cloudy / rain / snow / other___________________

Temperature: F (C)
Diagnostic Trouble Code

First check: Normal code/malfunction code ( )

Second check after
test drive: Normal code / malfunction code ( )

YH4
GRAND
VITARA
5E1-10 ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL)
1-2. 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 customer
if possible.) When ªABSº warning lamp is not operated correctly, proceed to ªDiagnostic Flow Table-A, B or
Cº.
1-3. DIAGNOSTIC TROUBLE CODE (DTC) CHECK, RECORD AND CLEARANCE
Perform ªDiagnostic Trouble Code Checkº as shown below, record it and then clear it referring to ªDiagnostic
Trouble Code Clearanceº 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 ABS 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 abnormal
lighting of ªABSº warning lamp) exists.
If the malfunction DTC is confirmed again at ignition switch ON, driving test as described in above is not neces-
sary. Proceed to Step 3.
3. DIAGNOSTIC TROUBLE CODE CHECK
Recheck diagnostic trouble code referring to item ªDTC CHECKº as shown below.
4. DIAGNOSTIC TROUBLE CODE FLOW CHART
According to Diagnostic flow table for the diagnostic trouble code confirmed in Step 3, locate the cause of the
trouble, namely in a sensor, switch, wire harness, connector, actuator, ABS control module or other part and
repair or replace faulty parts.
5. ªDIAGNOSISº IN ªBRAKEº SECTION
Check the parts or system suspected as a possible cause referring to ªDiagnosisº in ªBRAKESº section and
based on symptoms appearing on the vehicle (symptoms obtained through Steps 1-1, 1-2 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 IN-
TERMITTENT TROUBLE in ªGENERAL INFORMATIONº section and related circuit of trouble code recorded
in Step 1-3.
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 a nor-
mal code is indicated.

YH4
GRAND
VITARA
Example: When right-front wheel speed sensor circuit opens (DTC 21)
1. Diagnosis connector
(6 pins connector)
2. Ground terminal3. Diag. switch terminal
4. Service wire
Voltmeter indicator
(or ªABSº warning
lamp)HIGH
(ON)
LOW
(OFF)
Time (sec.)
1. EBD warning lamp
(brake warning lamp)
ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL) 5E1-11
EBD WARNING LAMP (BRAKE WARNING
LAMP) CHECK
NOTE:
Perform this check on a level place.
1) Turn ignition switch ON with parking brake applied.
2) Check that brake warning lamp is turned ON.
3) Release parking brake with ignition switch ON and check that
EBD warning lamp (brake warning lamp) goes off.
If it doesn't go off, go to ªTABLE-Eº in this section.
ªABSº WARNING LAMP CHECK
1) Turn ON the ignition switch.
2) Check that ªABSº warning lamp lights for about 2 seconds and
then goes OFF.
If anything faulty is found, advance to Diagnostic table ± A, B or
C.
DIAGNOSTIC TROUBLE CODE (DTC) CHECK
(USING ªABSº WARNING LAMP)
1) Using service wire, connect diag. switch terminal of diagnosis
connector to ground.
2) Turn ignition switch ON.
3) Read flashing of ªABSº warning lamp which represents DTC as
shown in example below and write it down. When more than 2
DTC's are stored in memory, deflection and flashing for each
DTC is repeated three times starting with the smallest DTC num-
ber in increasing order.
For details of DTC, refer to ªDTC Tableº.

YH4
GRAND
VITARA
5E1-16 ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL)
-1. Main fuse
-2. Ignition switch
-3. Circuit fuse for IG
-4. ªABSº warning lamp
-5. ABS hydraulic unit / control
module assembly
5-1. Fail-safe relay
5-2. To solenoid valves and
pump motor relay
(ABS hydraulic unit)
-6. Diagnosis connector
(Black connector)
6-1. Diag. switch terminal
6-2. Diag. ground terminal
-7. Combination meter
7-1. ABS lamp driver module
-8. ABS hydraulic unit/
control module connector
of harness
-9. EBD warning lamp
(Brake warning lamp)
-10. Parking brake switch
-11. Brake fluid level switch
TABLE ± A ªABSº WARNING LAMP CIRCUIT CHECK ± LAMP DOES NOT
COME ªONº AT IGNITION SWITCH ON
CIRCUIT DESCRIPTION
Operation (ON / OFF) of the ªABSº warning lamp is controlled by the ABS control module and ABS lamp driver mod-
ule.
If the Antilock brake system is in good condition, the ABS control module turns the ªABSº warning lamp ON at the
ignition switch ON, keeps it ON for 2 seconds only and then turns it OFF. If an abnormality in the system is detected,
the lamp is turned ON by ABS control module. Also, it is turned ON by ABS lamp driver module when the connector
of the ABS control module was disconnected.
INSPECTION
STEPACTIONYESNO
11) Turn ignition switch ON.
Do other warning lamp come ON?Go to step 2.Go to step 4.
21) Disconnect ABS hydraulic unit / control module
connector.
Does ABS warning lamp light with ignition switch ON?Replace ABS
hydraulic unit / control
module assembly.Go to step 3.
31) Remove combination meter.
Is bulb of ABS warning lamp in good condition?ªBl / Oº circuit shorted
to ground. If OK,
replace ABS
warning circuit (lamp
driver module).Replace bulb.
4Is IG fuse in good condition?Open in ªB / Wº wire to
combination meter or
poor connection.Repair and
replace.

YH4
GRAND
VITARA
ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL) 5E1-17
1. ABS hydraulic
unit / control
module connector
TABLE ± B ªABSº WARNING LAMP CIRCUIT CHECK ± LAMP COMES ªONº
STEADY
Refer to TABLE ± A for System Circuit Diagram and Circuit Description.
INSPECTION
STEPACTIONYESNO
1Perform diagnostic trouble code check. Is there any DTC
(including code No.12, NO CODES on SUZUKI scan
tool) exists?Go to step 2.Go to step 3.
2Is malfunction DTC (other than code No.12) exists at step
1?Go to step 7 of ABS
diagnostic flow table
in this section.Go to step 3.
31) Disconnect ABS hydraulic unit / control module
connector. (See Fig. 1)
2) Check for proper connection to ABS hydraulic
unit / control module connector at terminals ªA17º,
ªA25º and ªA10º.
3) If OK, turn ignition switch ªONº and measure
voltage at terminal ªA25º of connector.
Is it 10 ± 14 V?Go to step 4.ªB / Wº circuit open.
41) With ABS control module connector disconnected,
turn ignition switch ON and light ABS warning lamp.
2) Connect terminal ªA17º of disconnected connector to
ground using service wire.
Does ªABS warning lampº turn off?Go to step 5.ªBl / Oº circuit open.
If wire and
connection are OK,
replace ABS lamp
driver module.
51) Measure resistance from connector terminal ªA10º
to body ground.
Is continuity indicated?Substitute a
known-good ABS
hydraulic unit /
control module
assembly and
recheck.ªBº circuit open.
Fig. 1

YH4
GRAND
VITARA
ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL) 5E1-35
FORWARD
1. Front wheel speed
sensor connector
2. Headlight assembly
1. Front wheel speed sensor
2. Bolt
REMOVAL
1) Disconnect negative cable at battery.
2) Hoist vehicle and remove wheel.
3) Disconnect front wheel speed sensor connector.
4) Remove harness clamp bolts and remove front wheel speed
sensor from knuckle.
CAUTION:

Do not pull wire harness when removing front wheel
speed sensor.

Do not cause damage to surface of front wheel speed
sensor and do not allow dust, etc. to enter its installa-
tion hole.
SENSOR INSPECTION

Check sensor for damage.

Check sensor for resistance.
Resistance between terminals: 1.2 ± 1.6 k
at 20C (68F)
Resistance between terminal and sensor body: 1 M
or more
If any faulty is found, replace.
SENSOR ROTOR INSPECTION

Check rotor for being missing, damaged or deformed.

Turn drive shaft and check if rotor rotation is free from eccentricity
and looseness.

Check that no foreign material is attached.
If any faulty is found, repair or replace. Refer to WHEEL HUB RE-
MOVAL and INSTALLATION in Section 3D.