2002 MAZDA 6 Workshop Manual Suplement

S–28
SEAT BELT
REAR SIDE SEAT BELT REMOVAL/INSTALLATIONA6E775057730201
Caution
•The rear side seat belt for 4WD models is equipped with a silencer to reduce abnormal noise while
driving. If the silencer is not installed in the proper position, the push knob may not function
properly. When attaching the silencer, be sure to attach it in the correct area as shown below.
Note
•Rear side seat belts are built into the rear seat back. See rear seat disassembly/assembly, to remove/
install the rear side seat belt.
1. Peel off the backing of the double-sided adhesive tape.
2. Attach double-sided adhesive tape to the silencer as shown.
End Of Sie
REAR CENTER SEAT BELT REMOVAL/INSTALLATIONA6E775057730202WGN
Caution
•The ELR has a spring that will unwind if the retractor's cover is removed. The spring cannot be
rewound by hand. If this occurs, the ELR will not work properly. Therefore, do not disassemble the
retractor.
1. Remove the headliner.
2. Remove the bolts.
3. Remove the rear center seat belt.
4. Install in the reverse order of removal.
End Of Sie
SEAT BELT
SILENCERRETRACTOR
mm {in} 29—35
{1.2—1.3}
-3—3
{-0.1—0.1} 60
{2.3} 60
{2.3}
60
{2.3}
60
{2.3}40
{1.5}
29—35
{1.2—1.3}
-3—3
{-0.1—0.1}
SILENCER RETRACTOR
60{2.3}
A6E77502101
39—78 N·m
{3.9—8.0 kgf·m, 29—57 ft·lbf}
REAR CENTER
SEAT BELT
BOLT
A6A7750W101

SEAT
S–29
S
REAR SEAT REMOVAL/INSTALLATIONA6E7752572002014WD (WGN)
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
.
Remote wire removal note
1. Turn over the trunk floor mat.
2. Remove the case.
3. Remove the remote wire.
End Of Sie
SEAT
3
2
1
1
A: 36.3—53.9 N·m
{3.71—5.49 kgf·m, 26.8—39.7 ft·lbf}
B: 38.3—78.4 N·m
{3.91—7.99 kgf·m, 28.3—57.8 ft·lbf}
A
A
B
B
A6E77521102
1 Remote wire
(See S–29 Remote wire removal note)2 Rear seat cushion
3 Rear seat back
CASE
REMOTE WIRE
A6E7752W014

S–30
SEAT
REAR SEAT DISASSEMBLY/ASSEMBLYA6E775257200202WGN
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of disassembly..
End Of Sie
9
1
6
9
8
7
25
4
2
5
4
3
1
6
87
19
18
18
1315
16
171110
11
22
21
20
14
21
2224
24
20
23
3
A
A
12
10
19
23
12
25
25
4WD
4
3
A6E77521015
1 Headrest
2 Hinge cover (2WD)
3 Seat cushion trim
4 Seat cushion pad
5 Seat cushion frame (2WD)
6 Remote button cover
7 Seat back catch cover
8 Child seat anchor cover
9 Retainer bar anchor
10 Seat back board
11 Pole guide
12 Remote button
13 Armrest assembly14 Cup holder
15 Armrest hinge
16 Armrest trim
17 Armrest pad
18 Seat back trim
19 Seat back pad
20 Seat belt guide
21 Retractor cover
22 Rear seat belt
23 Seat back catch
24 Remote wire
25 Seat back frame

T–1
T
TBODY ELECTRICAL SYSTEM
OUTLINE................................................................ T-2
OUTLINE OF CONSTRUCTION ......................... T-2
FEATURES .......................................................... T-2
POWER SYSTEM................................................... T-2
STRUCTURAL VIEW........................................... T-2
MULTIPLEX COMMUNICATION SYSTEM............ T-3
OUTLINE ............................................................. T-3
STRUCTRURAL VIEW ........................................ T-3
SYSTEM WIRING DIAGRAM .............................. T-4
CAN SIGNAL-CHART.......................................... T-4
ON-BOARD DIAGNOSTIC FUNCTION............... T-6
EXTERIOR LIGHTING SYSTEM............................ T-8
OUTLINE ............................................................. T-8
STRUCTURAL VIEW........................................... T-8
INTERIOR LIGHTING SYSTEM............................. T-8
STRUCTURAL VIEW........................................... T-8
WIPER AND WASHER........................................... T-9
OUTLINE ............................................................. T-9
STRUCTURAL VIEW........................................... T-9
WARNING AND INDICATOR SYSTEM............... T-10
OUTLINE ........................................................... T-10
STRUCTURAL VIEW......................................... T-10
SYSTEM WIRING DIAGRAM ............................ T-11
THEFT-DETERRENT SYSTEM............................ T-11
OUTLINE ........................................................... T-11
INTRUDER SENSOR ........................................ T-11
AUDIO AND NAVIGATION SYSTEM.................. T-13
OUTLINE ........................................................... T-13
STRUCTURAL VIEW......................................... T-13
CRUISE CONTROL SYSTEM.............................. T-13
OUTLINE ........................................................... T-13
AIR BAG SYSTEM............................................... T-13
OUTLINE ........................................................... T-13
OUTLINE.............................................................. T-14
SUPPLEMENTAL SERVICE INFORMATION ... T-14
LOCATION INDEX............................................... T-15
POWER SYSTEM.............................................. T-15
EXTERIOR LIGHTING SYSTEM ....................... T-15
INTERIOR LIGHTING SYSTEM ........................ T-16
WIPER AND WASHER SYSTEM ...................... T-16
WARNING AND INDICATOR SYSTEM............. T-17
THEFT-DETERRENT SYSTEM ........................ T-17
AUDIO AND NAVIGATION SYSTEM ................ T-18
AIR BAG SYSTEM............................................. T-18
POWER SYSTEM................................................. T-19
RELAY LOCATION ............................................ T-19
RELAY INSPECTION ........................................ T-19
EXTERIOR LIGHTING SYSTEM.......................... T-20
REAR AUTO LEVELING SENSOR
REMOVAL/INSTALLATION ............................ T-20HIGH-MOUNT BRAKE LIGHT
REMOVAL/INSTALLATION ............................ T-20
INTERIOR LIGHTING SYSTEM........................... T-21
CARGO COMPARTMENT LIGHT
REMOVAL/INSTALLATION ............................ T-21
CARGO COMPARTMENT LIGHT
INSPECTION .................................................. T-22
WIPER AND WASHER......................................... T-22
REAR WIPER MOTOR
REMOVAL/INSTALLATION ............................ T-22
REAR WIPER MOTOR INSPECTION ............... T-22
REAR WIPER ARM AND BLADE
REMOVAL/INSTALLATION ............................ T-23
REAR WIPER ARM AND BLADE
ADJUSTMENT ................................................ T-24
REAR WASHER NOZZLE
REMOVAL/INSTALLATION ............................ T-24
REAR WASHER NOZZLE ADJUSTMENT ........ T-25
REAR WASHER HOSE
REMOVAL/INSTALLATION ............................ T-25
INTERMITTENT REAR WIPER RELAY
REMOVAL/INSTALLATION ............................ T-26
WARNING AND INDICATOR SYSTEM............... T-27
FUEL GAUGE SENDER UNIT
REMOVAL/INSTALLATION ............................ T-27
FUEL GAUGE SENDER UNIT INSPECTION.... T-28
THEFT-DETERRENT SYSTEM............................ T-29
INTRUDER SENSOR
REMOVAL/INSTALLATION ............................ T-29
AUDIO AND NAVIGATION SYSTEM.................. T-30
NOISE FILTER REMOVAL/INSTALLATION ..... T-30
CONDENSER REMOVAL/INSTALLATION ....... T-30
ANTENNA FEEDER LOCATION ....................... T-31
REAR ANTENNA FEEDER INSPECTION ........ T-31
AIR BAG SYSTEM............................................... T-32
SERVICE WARNINGS....................................... T-32
CURTAIN AIR BAG MODULE
REMOVAL/INSTALLATION ............................ T-35
AIR BAG MODULE AND PRE-TENSIONER
SEAT BELT DEPLOYMENT PROCEDURES. T-35
ON-BOARD DIAGNOSTIC
[MULTIPLEX COMMUNICATION SYSTEM].... T-39
MULTIPLEX COMMUNICATION SYSTEM ....... T-39
DTC TABLE ....................................................... T-41
PID/DATA MONITOR TABLE ............................ T-41
PROCEDURES FOR DETERMINING
THE LOCATION OF A MALFUNCTION ......... T-42
DTC U0073, U1900, U2516 ............................... T-45 FEATURES
SERVICE

T–2
OUTLINE, POWER SYSTEM
OUTLINE OF CONSTRUCTIONA6E810201088201•The construction and operation of the body electrical system is essentially carried over from that of the current
Mazda6 (GG) model, except for the following features. (See Mazda6 Training Manual 3359-1*-02C)
End Of Sie
FEATURESA6E810201088202Improved Safety
•There are two types of high-mount brake lights. (WGN)
Improved Marketability
•A cargo compartment light has been adopted. (WGN)
•The installation positions of the rear wiper and washer components have been changed. (WGN)
•A fuel gauge sender sub-unit has been adopted. (4WD)
•A 4WD indicator light, glow indicator light and sedimentor warning light have been adopted.
•The installation positions of the condenser and the noise filter have been changed. (WGN)
•An antenna feeder has been adopted. (WGN)
•A rear auto leveling sensor especially for the 4WD has been adopted. (4WD)
Improved Security
•A rear intruder sensor has been adopted. (WGN)
End Of Sie
STRUCTURAL VIEWA6E811067730201
.
End Of Sie
OUTLINE
POWER SYSTEM
2
1
A6E81101102
1 Seat warmer relay (with seat warmer)2 Glow relay (MZR-CD (RF Turbo) only)

MULTIPLEX COMMUNICATION SYSTEM
T–3
T
OUTLINEA6E811155430201•A TCM and a 4WD control module have been adopted for the CAN system-related module.
End Of Sie
STRUCTRURAL VIEWA6E811155430202
.
End Of Sie
MULTIPLEX COMMUNICATION SYSTEM
4
1
3
2
5
A6E81111101
1 ABS (ABS/TCS) HU/CM (with ABS (ABS/TCS))
DSC HU/CM (with DSC)
2 Instrument cluster3TCM
4PCM
5 4WD control module

T–4
MULTIPLEX COMMUNICATION SYSTEM
SYSTEM WIRING DIAGRAMA6E811155430203
.
End Of SieCAN SIGNAL-CHARTA6E811155430204
OUT: Output (sends signal)
IN: Input (receives signal)
1
2
67
3
8
4
5
ROAF AG
HG
2M2J2W
2X
9
10
CAN_L
CAN_H
A6E81111102
1PCM
2 DSC HU/CM (with DSC)
3 ABS (ABS/TCS) HU/CM (with ABS (ABS/TCS))
4 Data link connector-2
5 Instrument cluster
6 TCM (JA5AX-EL)7 4WD control module (4WD)
8Twist pair
9 2R (except MZR-CD (RF Turbo))
39 (MZR-CD (RF Turbo))
10 2U (except MZR-CD (RF Turbo))
13 (MZR-CD (RF Turbo))
SignalMultiplex module
PCM TCMABS (ABS/TCS)
HU/CM or
DSC HU/CM4WD control
moduleInstrument
cluster
Accelerator pedal position
(MZR-CD (RF Turbo))OUT IN IN–IN
Air induction type OUT–IN––
ATF temperature IN OUT–––
AT warning light conditions
(JA5AX-EL)IN OUT––IN
Battery reconnection
(except MZR-CD (RF
Turbo))OUT IN–––
Brake system configuration
(EBD/ABS/TCS/DSC)IN–OUT–IN
Brake system
statusABS IN–OUT––
EBD/ABS/
TCS/DSC––OUT IN IN
Brake system warning light
conditions (brake fluid level
sensor)––IN–OUT
Country OUT–IN––
Coupling torque (with
DSC)––IN OUT–
Coupling torque request
(with DSC)––OUT IN–

MULTIPLEX COMMUNICATION SYSTEM
T–5
T
End Of Sie
Cruise main indicator light
conditions (MZR-CD (RF
Turbo))OUT–––IN
Cruise set indicator light
conditions (MZR-CD (RF
Turbo))OUT–––IN
Desired gear/
selector lever
positionFN4A-EL OUT–IN–IN
JA5AX-EL IN OUT IN IN IN
ECT OUT IN–IN
Engine control condition OUT–IN––
Engine displacement OUT–IN––
Engine loss torque (except
MZR-CD (RF Turbo))OUT IN–––
Engine speed OUT IN IN IN IN
Engine torque (except
MZR-CD (RF Turbo))OUT IN–––
Fuel injection information OUT–IN––
Fuel type and delivery OUT–IN––
Gear position IN OUT IN IN IN
Generator warning light
conditions (except MZR-
CD (RF Turbo))OUT–––IN
Glow indicator light
condition (MZR-CD (RF
Turbo))OUT–––IN
HOLD indicator light
conditions (FN4A-EL)OUT–––IN
Idle speed up request IN OUT–––
MIL condition (except
MZR-CD (RF Turbo))OUT–––IN
MIL indicate request IN OUT–––
Number of cylinders OUT–IN––
Racing select
determinationIN OUT–––
TCC condition IN OUT–––
Tire circumference (front/
rear)OUT–IN––
Torque reduction inhibit OUT IN IN––
TP OUTINININ–
Transmission/axle type OUT–IN––
Travelled distanceIN–OUT––
IN OUT––IN
OUT–––IN
Torque
reduction
requestJA5AX-EL IN OUT–––
except
JA5AX-ELIN–OUT––
Turbine speed IN OUT–––
Upper torque limit IN OUT–––
Vehicle speedOUT–––IN
IN OUT–––
Wheel speed (front left/
front right/rear left/rear
right)IN IN OUT IN–
OUT–––IN
4WD system operating
condition (warning light
information)–––OUT IN SignalMultiplex module
PCM TCMABS (ABS/TCS)
HU/CM or
DSC HU/CM4WD control
moduleInstrument
cluster