2002 MAZDA 6 relay

T–16
LOCATION INDEX
End Of SieINTERIOR LIGHTING SYSTEMA6E810001052202
.
End Of SieWIPER AND WASHER SYSTEMA6E810001052203
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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.
End Of Sie
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.
End Of Sie
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).
End Of Sie
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

CONTROL SYSTEM
U–17
U
1B +5 V•Air mix actuator
•Airflow mode
actuator
•Solar radiation
sensorIgnition switch at ON
position
5.0•Inspect for short circuit
(Climate control unit— air
mix actuator, airflow mode
actuator, solar radiation
sensor: 1B—B, B, A)
•Inspect air mix actuator
•Inspect airflow mode
actuator
•Inspect solar radiation
sensor
•Inspect terminal voltage of
climate control unit
connector (2H, 2L)
Ignition switch at LOCK
positionBelow 1.0•Replace climate control unit
1C Blower motor
control signalPower MOS FET Fan switch is OFF Below 1.0•Inspect terminal voltage of
climate control unit (1A)
Fan switch is at manual
LO4.1
Fan switch is at manual
HI7.9
1D—— —— —
1E Rear window
defroster SW
signalRear window
defroster relayRear window defroster
switch is off
12•Inspect for continuity or
short circuit (Climate control
unit—rear window defroster
relay: 1E—E)
•Inspect rear window
defroster relay
Rear window defroster
switch is on Below 1.0•Inspect terminal voltage of
climate control unit (2H, 2L)
•Inspect center panel
1F On-board
diagnostic signalA/C check
connectorTerminal A of A/C check
connector is shorted. Below 1.0•Inspect for continuity
(Climate control unit—A/C
check connector: 1F—A)
Other
5.4•Inspect short circuit (Climate
control unit—A/C check
connector: 1F—A)
•Inspect terminal voltage of
climate control unit (2H, 2L)
1G—— —— —
1H—— —— —
1I GND•Cabin
temperature
sensor
•Evaporator
temperature
sensor
•Ambient
temperature
sensor
•Water
temperature
sensor
•Air mix actuator
•Airflow mode
actuatorUnder any condition
Below 1.0•Inspect terminal voltage of
climate control unit (2L)
1J Water heater
selectGround Under any condition
Below 1.0•Inspect for continuity
(Climate control unit—
ground: 1J—GND)
•Inspect center panel Terminal Signal Connected to Test condition Voltage (V) Action

U–20
CONTROL SYSTEM
2B TNS signal TNS relay Headlight switch OFF
Below 1.0•Inspect for short circuit
(Climate control unit—TNS
relay: 2B—D)
•Inspect TNS relay
•Inspect headlight switch
Headlight switch ON
12•Inspect for continuity or
short circuit (Climate control
unit—TNS relay: 2B—D)
•Inspect TNS relay
•Inspect headlight switch
2C Motor drive signal Air mix actuator Moving to COLD 12•Inspect for continuity or
short circuit (Climate control
unit—air mix actuator: 2D—
D, 2C—F)
•Inspect air mix actuator Moving to HOT
Below 1.0
2D Motor drive signal Air mix actuator Moving to HOT 12•Inspect for continuity or
short circuit (Climate control
unit—air mix actuator: 2C—
F, 2D—D)
•Inspect air mix actuator Moving to COLD
Below 1.0
2E Motor drive signal Airflow mode
actuatorMoving to DEFROSTER 12•Inspect for continuity or
short circuit (Climate control
unit—airflow mode actuator:
2E—F, 2G—D)
•Inspect airflow mode
actuator Moving to VENT
Below 1.0
2F Backup power
supply ROOM 15 A fuse Under any condition
B+•Inspect for continuity or
short circuit (Climate control
unit—fuse: 2F— ROOM 15
A fuse)
•Inspect ROOM 15 A fuse
2G Motor drive signal Airflow mode
actuatorMoving to VENT 12•Inspect for continuity or
short circuit (Climate control
unit—airflow mode actuator:
2G—D, 2E—F)
•Inspect airflow mode
actuator Moving to DEFROSTER
Below 1.0
2H IG2 A/C 15 A fuse Ignition switch at ON
position
B+•Inspect for continuity or
short circuit (Climate control
unit—fuse: 2H—A/C 15 A
fuse)
•Inspect A/C 15 A fuse
Ignition switch at LOCK
position Below 1.0•Inspect for short circuit
(Climate control unit—fuse:
2H—A/C 15 A fuse)
2I Motor drive signal Air intake actuator Moving to
RECIRCULATE12•Inspect for continuity or
short circuit (Climate control
unit—air intake actuator:
2I—F, 2K—D)
•Inspect air intake actuator Moving to FRESH
Below 1.0
2J—— —— —
2K Motor drive signal Air intake actuator Moving to FRESH 12•Inspect for continuity or
short circuit (Climate control
unit—air intake actuator:
2K—D, 2I—F)
•Inspect air intake actuator Moving to
RECIRCULATE
Below 1.0
2L GND Ground Under any condition
Below 1.0•Inspect for continuity
(Climate control unit—
ground: 2L—GND) Terminal Signal Connected to Test condition Voltage (V) Action