turn signal SUZUKI GRAND VITARA 2003 2.G Service Workshop Manual
[x] Cancel search | Manufacturer: SUZUKI, Model Year: 2003, Model line: GRAND VITARA, Model: SUZUKI GRAND VITARA 2003 2.GPages: 801, PDF Size: 12.15 MB
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AIR CONDITIONING (OPTIONAL) 1B-21
TerminalWireCircuitMeasurement
groundNormal valueCondition
AC2-1L/YSensor groundGround to body
(Fig. A)± 0.4 ± 0 voltEngine running
1.5 volts
(3150 )Evaporator thermistor temperature at
approx. 15C (59F) with engine
running
AC2-2W/B
Evaporator
thermistor
temperature
(evaporator temp.
sensor) input
Ground to engine
(Fig. B)
2.62 volts
(6.311 )
Evaporator thermistor temperature at
approx. 1C (34F) with engine
running
* If the temperature is less than
approx. 1C, in this case
compressor and condenser fan
should be stop (come back at more
than approx. 2.5C (less than
5840 , 2.5 V))
H25
engine
E61-27 /
G16 J20Gr/W
Signal output to
A / C controller
(A / C ON
Ground to engine
(Fig C)
10 ± 14 volts
Required A / C ON (terminal AC-A13)
at engine running with normal
condition (refer to ªINSPECTION OF
ECM AND ITS CIRCUITº in Section
6E)
G16, J20
engines
E61-8
(
permission
signal)(Fig. C)
0 ± 1 volt
Except the above-mentioned with
engine running
In this case compressor should be
stop
H25
engine
E61-28 /
Y/B
Signal input from
A / C controller
Ground to engine
0 ± 1.5 voltsRequire A / C ON
G16, J20
engines
E61-17Y/B(A / C ON request
signal)
g
(Fig. C)
10 ± 14 voltsTurn off the A / C
H25
engine
E61-5 /
G16, J20
engines
E61-22
Y/L
A / C condenser
cooling fan relay
outputGround to engine
(Fig. C)0 ± 1 volt
Blower fan motor switch and A / C or
defroster position switch (see
NOTE) ON with engine running at
evaporator thermistor temperature
input more than approx. 2.5C (less
than 2.5 V (5840 )), refrigerant
pressure switch ON and signal
input from ECM ON
Engine coolant temperature sensor
more than 113C (236F) with
engine running
10 ± 14 voltsExcept the above-mentioned with
engine running
NOTE:
Defroster position switch circuit is equipped with LH vehicle only.
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1. Suction connector
2. O-ring
3. Pressure switch
4. Flow control valve
(Relief valve)
5. Spring
6. Plug
7. Pump cover
8. Cam ring
9. Vane
10. Rotor
11. Snap ring
12. Side plate
13. Pulley (pump shaft)
14. Oil seal
15. Pump body
16. Flow control valve Assembly
3B1-4 POWER STEERING (P / S) SYSTEM
POWER STEERING (P / S) PUMP
The power steering pump is a vane type and is driven by the V-ribbed belt from the crankshaft.
ModelVane type
Hydraulic
pressure
controlRelieved
pressure
6500 kPa (65 kg / cm2, 924 psi)
G16 Type engine . . . . . . . . . . . . . . . . . . . . . .
7000 kPa (70 kg / cm
2, 995 psi)
J20 Type engine . . . . . . . . . . . . . . . . . . . . . . .
7350 kPa (73.5 kg / cm
2, 1045 psi)
H25 Type engine . . . . . . . . . . . . . . . . . . . . . .
ControlFlow control valve
deviceRelief valve
Power steering
pressure switch
Switch turns on (closes) when the
pressure is higher than 2500 ± 3500 kPa
(25 ± 35 kg / cm
2, 356 ± 498 psi).
ECM uses this signal for idle speed control.
Capacity0.70 ± 0.75
(1.48 / 1.23 ± 1.58 / 1.32 US / Imp. pt)
Specified fluidDEXRONII, DEXRONIII A / T fluid
or equivalent
FLOW CONTROL VALVE
As the discharge rate of the P/S pump increases in proportion to the
pump revolution speed, a flow control valve is added to control it so
that the optimum amount of fluid for steering operation is supplied
according to the engine speed (driving condition).
Described below is its operation at different engine speed.
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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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ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL) 5E1-21
1. Ignition switch
2. G sensor
3. ABS hydraulic unit control
module assembly
4. ABS hydraulic unit/
control module
connector of harness
O/G
DTC 15 (DTC C1015) ± G SENSOR CIRCUIT (FOR 4WD MODEL ONLY)
DESCRIPTION
While a vehicle is at stop or running, if the potential difference between the sensor signal terminal ªA14º and the
sensor ground terminal ªA4º is not within the specified voltage value, or if the signal voltage while at a stop does
not vary from that while running, this DTC is set.
Therefore, this DTC may be set when a vehicle is lifted up and its wheel(s) is turned. In such case, clear the DTC
and check again.
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ANTILOCK BRAKE SYSTEM (ABS) (OPTIONAL) 5E1-23
1. Ignition switch
2. ABS hydraulic unit /
control module assembly
3. Left-front wheel speed
sensor
4. Right-front wheel speed
sensor
5. Left-rear wheel speed
sensor
6. Right-rear wheel speed
sensor
7. ABS hydraulic unit /
control connector of harness
DTC 21 (DTC C1021), 22 (DTC C1022) ± RIGHT-FRONT WHEEL SPEED SENSOR
CIRCUIT
DTC 25 (DTC C1025), 26 (DTC C1026) ± LEFT-FRONT WHEEL SPEED SENSOR
CIRCUIT
DTC 31 (DTC C1031), 32 (DTC C1032) ± RIGHT-REAR WHEEL SPEED SENSOR
CIRCUIT
DTC 35 (DTC C1035), 36 (DTC C1036) ± LEFT-REAR WHEEL SPEED SENSOR
CIRCUIT
DESCRIPTION
The ABS control module monitors the voltage at the positive (+) terminal of each sensor while the ignition switch
is ON. When the voltage is not within the specified range, an applicable DTC will be set. Also, when no sensor signal
is inputted at starting or while running, an applicable DTC will be set.
NOTE:
When the vehicle was operated in any of the following ways, one of these DTC's may be set even when
the sensor is in good condition. If such possibility is suspected, repair the trouble (dragging of brake, etc.)
of the vehicle, clear DTC once and then after performing the driving test as described in Step 2 of ªABS
DIAG. FLOW TABLEº, check whether or not any abnormality exists.
± The vehicle was driven with parking brake pulled.
± The vehicle was driven with brake dragging.
± Wheel spin occurred while driving.
± Wheel(s) was turned while the vehicle was jacked up.
± The vehicle was stuck.
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7B1-24 AUTOMATIC TRANSMISSION (4 A / T)
MALFUNCTION INDICATOR LAMP (MIL) CHECK
Refer to the same item in Section 6 / 6-1 for checking procedure.
ªO / D OFFº LAMP CHECK
1) Check that O / D cut switch button is at OFF position (pushed).
2) Turn ignition switch ON.
3) Check that ªO / D OFFº lamp lights for about 2 ± 4 sec. and then goes OFF.
If anything faulty is found, advance ªDiagnostic flow table B-1 or B-2º O / D OFF ªLAMP CIRCUIT CHECKº.
ªPOWERº LAMP CHECK
1) Check that Power / Normal change switch button is at Normal position.
2) Turn ignition switch ON.
3) Check that ªPowerº Lamp light for 2 ± 4 sec. and then goes OFF.
If anything faulty is found, advance ªDiagnostic flow table B-3 or B-4 ªPOWERº LAMP CIRCUIT CHECK 2.
DIAGNOSTIC TROUBLE CODE (DTC) CHECK
Refer to the same item in Section 6 / 6-1 for checking procedure.
DIAGNOSTIC TROUBLE CODE (DTC) CLEARANCE
Refer to the same item in Section 6 / 6-1 for clearance procedure.
DIAGNOSTIC TROUBLE CODE (DTC) TABLE (A / T RELATED CODE)
DTC NO.MIL
Using
scan toolNot using
scan toolDETECTED ITEMDETECTING CONDITION
Vehicle
without
monitor
connectorVehicle
with
monitor
connector
±12±No trouble.±±
P070572Transmission range
sensor circuit
Multiple signals inputted simulta-
neously or no signal inputted while
2 driving
cycles
Not
applicablesensor circuit
malfunction
neously or no signal in utted while
running at 60 km / h or more.
cyclesa licable
P071576Input / Turbine speed
sensor circuit
malfunctionInput shaft revolution speed is lower
than specified value while
vehicle is running with ªDº range and
specified engine speed or higher.2 driving
cyclesNot
applicable
P072075Output speed sensor
circuit malfunctionOutput speed sensor signal not
inputted while VSS signal being
inputted.2 driving
cyclesNot
applicable
*1
P0741
Not
applicableTCC (lock-up) solenoid
performance or stack
offActual TCC operation does not
agree with ON / OFF control from
PCM to TCC.2 driving
cyclesNot
applicable
P074365
66TCC (lock-up)
solenoid electricalMonitor signal OFF is detected
When TCC control solenoid is ON or
monitor signal ON is detected when
it is OFF.1 driving
cycleNot
applicable
*1
P0751
Not
applicableShift solenoid A (#1)
performance or stuck
offGear change control from PCM to
A / T does not agree with actual gear
position of A / T.2 driving
cyclesNot
applicable
P075361
62Shift solenoid A (#1)
electricalMonitor signal OFF is detected
when shift solenoid A (#1) is ON or
monitor signal ON is detected when
it is OFF.1 driving
cycleNot
applicable
Page 433 of 801
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AUTOMATIC TRANSMISSION (4 A / T) 7B1-31
Brake pedal Released Depressed
Voltage 0 VBattery
voltage
DIAGNOSTIC FLOW TABLE A-1 (NO TCC LOCK-UP OCCURS)
SYSTEM DESCRIPTION
PCM turns TCC solenoid OFF under any of the following conditions.
Brake pedal switch: ON
4WD LOW switch: ON
Cruise control module: TCC OFF command signal is output (if equipped).
ECT: ECT < 30C (86F)
TROUBLESHOOTING
WARNING:
When performing a road test, select a place where there is no traffic or possibility of a traffic accident
and very careful during testing to avoid occurrence of an accident.
Road test should be carried out with 2 person, a driver and tester, on a level road.
STEPACTIONYESNO
1Was ªAUTOMATIC TRANSMISSION
DIAGNOSTIC FLOW TABLEº performed?Go to Step 2.Go to ªAUTOMATIC
TRANSMISSION
DIAGNOSTIC FLOW
TABLEº.
2ECT check:
(1) Warm up engine to normal operating
temperature.
(2) Check ECT using scan tool.
Is ECT more than 30C (86F)?Go to Step 3.Faulty ECT sensor, its
circuit or engine cooling
system.
If OK, substitute a known-
good PCM and recheck.
3Perform running test under the following
conditions and check voltage between
C51-1-8 (G16 / J20 engines) or C51-1-2 (H25
engine) terminal of PCM coupler and ground.
Normal mode in ªDº range.
Transfer ª2Hº position.
Cruise control is not operated (if equipped).
Brake pedal released.
Drive vehicle with TCC ON condition
referring to ªTCC lock-up diagramº in
this section.
Is it battery voltage?Faulty TCC solenoid
valve, its circuit or
transmission.Go to Step 4.
4Is vehicle equipped with H25 engine?Go to Step 5.Go to Step 6.
5Brake switch signal inspection:
(1) With ignition switch ON, check voltage
between E61-31 terminal of PCM coupler
terminal and ground.
Is the result as specified?Go to Step 6.Faulty brake pedal switch
or its circuit.
If OK, substitute a known-
good PCM and recheck.
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AUTOMATIC TRANSMISSION (4 A / T) 7B1-41
C51-1
-18C51-1
-17C51-1
-16C51-1
-15C51-1
-28C51-1
-27 G16/
J20
H25
C51-1-4 C51-1-3 C51-1-13 C51-1-12 C51-1-20 C51-1-19
Terminal
Select
lever
position
TROUBLESHOOTING (DTC P0705)
STEPACTIONYESNO
1Was ªA / T DIAG. FLOW TABLEº performed?Go to Step 2.Go to ªA / T DIAG.
FLOW TABLEº.
2Check Transmission Range Switch (Sensor) Circuit for
Operation.
When using SUZUKI scan tool:
1) Connect SUZUKI scan tool to DLC with ignition
switch OFF.
2) Turn ignition switch ON and check transmission
range signal (P, R, N, D, 2 or L) on display
when shifting select lever to each range.
Is applicable range indicated?
When not using SUZUKI scan tool:
1) Turn ignition switch ON.
2) Check voltage at terminals C51-1-15, C51-1-16,
C51-1-17, C51-1-18, C51-1-27 and C51-1-28 for
G16/J20 (C51-1-4, C51-1-3, C51-1-13, C51-1-12,
C51-1-20 and C51-1-19 for H25) respectively with
select lever shifted to each range.
Taking terminal C51-1-28 for G16/J20 (C51-1-20 for
H25) as an example, is battery voltage indicated
only when select lever is shifted to ª2º range and
0 V for other ranges as shown in figure?
Check voltage at other terminals likewise, referring
to figure.
Are check results satisfactory?Intermittent trouble.
Check for intermittent
referring to ªIntermit-
tent and Poor
Connectionº in
section 0A.Go to Step 3.
3Check Select Cable for Adjustment referring to ªSelect
Cable Adjustmentº in this section.
Is it adjusted correctly?Go to Step 4.Adjust.
4Check Transmission Range Switch for Installation
Position.
1) Shift select lever to ªNº range.
2) Check that ªNº reference line on switch and center
line on shaft are aligned.
Are they aligned?Go to Step 5.Adjust.
5Check Transmission Range Switch (Sensor) referring
to ªTransmission Range Switchº in this section.
Are check results satisfactory?ªYº, ªOr / Gº, ªRº,
ªOr / Blº, ªY / Gº,
ªG / Orº or ªG / Blº
circuit open or short.
If wires and
connections are OK,
substitute a known-
good PCM and
recheck.Replace TR switch.
Fig. for Step 2.
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1
1. 4WD low switch
AUTOMATIC TRANSMISSION (4 A / T) 7B1-53
TROUBLESHOOTING (DTC P1875)
STEPACTIONYESNO
1Was ªA / T DIAG. FLOW TABLEº performed?Go to Step 2.Go to ªA / T DIAG.
FLOW TABLEº.
24WD low switch and its circuit check:
When using SUZUKI scan tool:
1) Connect SUZUKI scan tool to DLC with ignition
switch OFF.
2) Turn ignition switch ON.
3) Select ªData listº mode on scan tool.
4) Check 4WD low switch signal (ON or OFF) on
display when shifting transfer lever to each
position.
4H or 2H position : OFF
4L position : ON
Is OFF / ON displayed as described above?
When not using SUZUKI scan tool:
1) Remove PCM cover.
2) Turn ignition switch ON.
3) Check voltage at terminal C51-1-26 for G16 / J20
(C51-1-5 for H25) of PCM connector connected
when shifting transfer lever to each position.
4H or 2H position : 10 ± 14 V
4L position : 0 ± 1 V
Is voltage as specified?Check for poor con-
nection at the termi-
nal of PCM if voltme-
ter is used in Step 2.
If connection is OK,
intermittent trouble
or faulty PCM.
Check for intermittent
referring to ªIntermit-
tent and Poor
Connectionº in
Section 0A.Go to Step 3.
34WD low switch check:
1) Check 4WD low switch for operation referring to
ª4WD Low Switch Inspectionº below.
Is check result satisfactory?ªOr / Wº or ªBº circuit
open or short. If wires
and connections are
OK, substitute a
known-good PCM
and recheck.Replace 4WD low
switch.
4WD Low Switch Inspection
1) Disconnect negative cable at battery.
2) Disconnect 4WD low switch coupler.
3) Check continuity between 4WD low switch terminals.
There should be continuity when transfer lever shifted to 4L posi-
tion and should be infinity when transfer lever shifted to 4H or 2H
positions.
If not, replace 4WD low switch.
4) Connect 4WD low switch coupler and battery negative cable.
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8B
LIGHTING SYSTEM 8B-1
SECTION 8B
LIGHTING SYSTEM
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 autho-
rized SUZUKI dealer. Refer to ªAir Bag System Components and Wiring Location Viewº under ªGener-
al Descriptionº in air bag system 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 ªService Precau-
tionsº under ªOn-Vehicle Serviceº 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
ªLOCKº 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).
CONTENTS
GENERAL DESCRIPTION8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cautions in Servicing8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Symbols and Marks8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wiring Color Symbols8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Abbreviations8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Joint Connector8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuse Box and Relay8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Supply Diagram8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlights8B- 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlight with Leveling System (If Equipped) 8B- 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIAGNOSIS8B- 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlights8B- 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlights with Leveling System (If Equipped) 8B- 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal and Hazard Warning Lights 8B- 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clearance, Tail and License Plate Lights 8B- 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Back-up Lights8B- 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake Lights8B- 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Fog Light (If Equipped)8B- 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Lights8B- 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE8B- 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlights8B- 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlights with Leveling System (If Equipped) 8B- 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn Signal and Hazard Warning Lights 8B- 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Fog Light (If Equipped)8B-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .