relay MAZDA 6 2002 Suplement Owners Manual

P–24
ON-BOARD DIAGNOSTIC
ABSRF_I
(Right front ABS pressure
retention solenoid valve output
state)ON/OFF•During ABS control: ON/
OFF
(solenoid valve is activated/
deactivated)
•Not ABS control: OFF
(solenoid valve is
deactivated)Internal fault of ABS
(ABS/TCS) or DSC
HU/CM. Replace ABS
(ABS/TCS) or DSC
HU/CM.—
ABSLF_I
(Left front ABS pressure
retention solenoid valve output
state)ON/OFF•During ABS control: ON/
OFF
(solenoid valve is activated/
deactivated)
•Not ABS control: OFF
(solenoid valve is
deactivated)Internal fault of ABS
(ABS/TCS) or DSC
HU/CM. Replace ABS
(ABS/TCS) or DSC
HU/CM.—
ABSVLVRLY
(Fail-safe relay output state)ON/OFF•Fail-safe relay is
activated: ON
•Fail-safe relay is
deactivated: OFFInspect ABS (ABS/
TCS) or DSC HU/CM.
—
ABSPMPRLY
(Motor relay output state)ON/OFF•Motor relay is activated: ON
•Motor relay is deactivated:
OFFInspect ABS (ABS/
TCS) or DSC HU/CM.—
SWA POS (with DSC only)
(Steering angle sensor input)ANGLE•Steering wheel is in neutral
position: 0 DEG
•Steering wheel is turned to
left: Changes between
0 DEG and -1,638.40 DEG
•Steering wheel is turned to
right: Changes between
0 DEG and 1,638.35 DEGInspect steering angle
sensor.
R, U, W, X
LF_WSPD
(Left front wheel-speed sensor
input)SPEED•Vehicle is stopped: 0 KPH
{0 MPH}
•Vehicle is driving: Indicates
vehicle speedInspect wheel-speed
sensor/sensor rotor.ABS (ABS/
TCS): E, I
DSC: F, J
RF_WSPD
(Right front wheel-speed
sensor input)SPEED•Vehicle is stopped: 0 KPH
{0 MPH}
•Vehicle is driving: Indicates
vehicle speedInspect wheel-speed
sensor/sensor rotor.ABS (ABS/
TCS): D, G
DSC: I, M
LR_WSPD
(Left rear wheel-speed sensor
input)SPEED•Vehicle is stopped: 0 KPH
{0 MPH}
•Vehicle is driving: Indicates
vehicle speedInspect wheel-speed
sensor/sensor rotor.ABS (ABS/
TCS): C, F
DSC: N, Q
RR_WSPD
(Right rear wheel-speed
sensor input)SPEED•Vehicle is stopped: 0 KPH
{0 MPH}
•Vehicle is driving: Indicates
vehicle speedInspect wheel-speed
sensor/sensor rotor.ABS (ABS/
TCS): A, B
DSC: H, K
LAT ACC (with DSC only)
(Lateral-G sensor input)ACCELERATION•Vehicle is stopped or driving
straight: 0 G
•Cornering to left: Changes
between 0 G and 1.27 G
•Cornering to right: Changes
between 0 G and -1.28 GInspect ABS wheel-
speed sensor/sensor
rotor.
O
YAW_RATE (with DSC only)
(Yaw rate sensor input)ACCELERATION•Vehicle is stopped or driving
straight: 0 DG/S
•Cornering to left: Changes
between 0 DG/S and 127
DG/S
•Cornering to right: Changes
between 0 DG/S and -128
DG/SInspect combine
sensor.
T
MCYLI P (with DSC only)
(Brake fluid pressure sensor
input)PRESSURE•Brake pedal is released:
0 MPa
•Brake pedal is depressed:
Changes between 0 MPa
and 25.5 MPaInspect DSC HU/CM.
— PID Name
(Definition)Unit/Condition Condition/Specification ActionABS (ABS/
TCS) HU/CM or
DSC HU/CM
terminal

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)
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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)
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STRUCTURAL VIEWA6E811067730201
.
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OUTLINE
POWER SYSTEM
2
1
A6E81101102
1 Seat warmer relay (with seat warmer)2 Glow relay (MZR-CD (RF Turbo) only)

WIPER AND WASHER
T–9
T
OUTLINEA6E811601052201•Due to the adoption of the WGN, the following have been changed:
—Installation positions of the rear wiper arm and blade, rear wiper motor, rear washer nozzle and intermittent
rear wiper relay
—Rear washer hose routing
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STRUCTURAL VIEWA6E811601052202
.
End Of Sie
WIPER AND WASHER
21aa
1
3
54
A6E81161107
1 Rear washer hose
2 Rear washer nozzle
3 Rear wiper arm and blade4 Rear wiper motor
5 Intermittent rear wiper relay

T–14
OUTLINE
SUPPLEMENTAL SERVICE INFORMATIONA6E810201088203•The following changes and/or additions have been made since publication of the Mazda6 Workshop Manual
(1730-1*-02C).
Relay
•Location has been changed.
•Inspection procedure has been modified.
Rear auto leveling sensor
•Removal/Installation procedure has been modified.
High-mount brake light
•Removal/Installation procedure has been modified.
Cargo compartment light
•Removal/Installation procedure has been modified.
•Inspection procedure has been modified.
Rear wiper motor
•Removal/Installation procedure has been modified.
•Inspection procedure has been modified.
Rear wiper arm and blade
•Removal/Installation procedure has been modified.
•Adjustment procedure has been modified.
Rear washer nozzle
•Removal/Installation procedure has been modified.
•Adjustment procedure has been modified.
Rear washer hose
•Removal/Installation procedure has been modified.
Intermittent rear wiper relay
•Removal/Installation procedure has been modified.
Fuel gauge sender unit
•Removal/Installation procedure has been modified.
•Inspection procedure has been modified.
Intruder sensor
•Removal/Installation procedure has been modified.
Noise filter
•Removal/Installation procedure has been modified.
Condenser
•Removal/Installation procedure has been modified.
Antenna feeder
•Location has been changed.
Rear antenna feeder
•Inspection procedure has been modified.
Curtain air bag module
•Removal/Installation procedure has been added.
Air bag module and pre-tensioner seat belt
•Deployment procedure has been modified.
On-board diagnostic
•Multiplex communication system procedure has been modified.
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OUTLINE

LOCATION INDEX
T–15
T
POWER SYSTEMA6E810001072201
.
End Of Sie
EXTERIOR LIGHTING SYSTEMA6E810001052201
.
LOCATION INDEX
1
A6E81101124
1 Main fuse block
(See T–19 RELAY LOCATION)
(See T–19 RELAY INSPECTION)
11
2
A6E81121162
1 High-mount brake light
(See T–20 HIGH-MOUNT BRAKE LIGHT
REMOVAL/INSTALLATION)2 Rear auto leveling sensor (4WD)
(See T–20 REAR AUTO LEVELING SENSOR
REMOVAL/INSTALLATION)

T–16
LOCATION INDEX
End Of SieINTERIOR LIGHTING SYSTEMA6E810001052202
.
End Of SieWIPER AND WASHER SYSTEMA6E810001052203
.
1
FRONT
A6E81141130
1 Cargo compartment light
(See T–21 CARGO COMPARTMENT LIGHT
REMOVAL/INSTALLATION)
(See T–22 CARGO COMPARTMENT LIGHT
INSPECTION)
21aa
1
3
54
A6E81161107
1 Rear washer hose
(See T–25 REAR WASHER HOSE REMOVAL/
INSTALLATION)
2 Rear washer nozzle
(See T–24 REAR WASHER NOZZLE REMOVAL/
INSTALLATION)
(See T–25 REAR WASHER NOZZLE
ADJUSTMENT)3 Rear wiper arm and blade
T–23 REAR WIPER ARM AND BLADE REMOVAL/
INSTALLATION)
(See T–24 REAR WIPER ARM AND BLADE
ADJUSTMENT)
4 Rear wiper motor
(See T–22 REAR WIPER MOTOR REMOVAL/
INSTALLATION)
(See T–22 REAR WIPER MOTOR INSPECTION)
5 Intermittent rear wiper relay
(See T–26 INTERMITTENT REAR WIPER RELAY
REMOVAL/INSTALLATION)

POWER SYSTEM
T–19
T
RELAY LOCATIONA6E811067730202
.
End Of SieRELAY INSPECTIONA6E811067730203Relay Type
Four-terminal
Type A
1. Remove the relay.
2. Inspect for continuity between the relay terminals
using an ohmmeter.
•If not as specified, replace the relay.
Type B
1. Remove the relay.
2. Inspect for continuity between the relay terminals
using an ohmmeter.
•If not as specified, replace the relay.
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POWER SYSTEM
2
1
A6E81101102
1 Seat warmer relay (with seat warmer)2 Glow relay (MZR-CD (RF Turbo) only)
Terminal type Part name
Four-terminalType A•Seat warmer relay
Type B•Glow relay
CA AE
C
D
E D
A6E8110W118
: Continuity
Step
1
2Terminal
ECD
A
B+GND
A6E8110W121
CA
D
BB
C
A D
A6E8110W125
: Continuity
Step
1
2Terminal
BCD
A
B+GND
A6E8110W123

T–26
WIPER AND WASHER
13. Remove rear washer hose No.3 from clip C.
14. Remove rear washer hose No.3 and joint pipe D.
15. Remove the headliner. (See S–26 HEADLINER
REMOVAL/INSTALLATION)
16. Remove the tape from rear washer hose No.4.
17. Install in the reverse order of removal.
End Of SieINTERMITTENT REAR WIPER RELAY REMOVAL/INSTALLATIONA6E8116668102011. Disconnect the negative battery cable.
2. Remove the trunk side trim. (See S–21 TRUNK SIDE TRIM REMOVAL/INSTALLATION)
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
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JOINT
PIPE D
REAR WASHER
HOSE NO.3CLIP C
a
A6E81161150
a
REAR WASHER
HOSE NO.4 TAPE
TAPE
A6E81161151
1Bolt
2 Intermittent rear wiper relay
3 Connector
1
23
A6J81161015

U–16
CONTROL SYSTEM
FUEL PUMP (WATER HEATER SYSTEM) INSPECTIONA6E8540133502011. Inspect for continuity between fuel pump terminal
A and B using an ohmmeter.
•If not as specified, replace the fuel pump
(water heater system).
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CLIMATE CONTROL UNIT INSPECTIONA6E854061190201Full-auto Air Conditioner
1. Connect the all center panel connectors.
2. Turn the ignition switch to ON position.
3. Measure the voltage at each climate control unit terminal and refer to the terminal voltage list.
•If not as specified, inspect the parts listed under “Action” and the related wiring harness.
—If there is any malfunction, replace the climate control unit.
Terminal Voltage List (Reference)
AME8540W007
Terminal Signal Connected to Test condition Voltage (V) Action
1A Blower motor
feedback signal•Blower motor
•Power MOS
FETFan switch is OFF 12 1. Inspect for continuity or
short circuit (Climate control
unit—blower motor: 1A—B)
(Climate control unit—power
MOS FET: 1A—B, 1C—E)
(Blower motor—blower
relay: A—C) (Blower relay—
fuse: D—BLOWER 40 A
fuse)
2. Inspect for continuity (Power
MOS FET—ground: A—
GND) (Blower relay—
ground: A—GND)
3. Inspect power MOS FET
4. Inspect blower motor
5. Inspect blower relay
6. Inspect BLOWER 40 A fuse
7. Replace power MOS FET Fan switch is at manual
LO7.8
Fan switch is at manual
HI
0.2
2A
1W
2B 2C
2D 2E
2F 2G
2H 2I 2K
2L
* 1A
1B
* *
* *
* 1X1C 1E
1F * 1I
1K
1M 1O
1P 1Q 1S
1T 1U
1J 1L
A6E85402001