2002 MAZDA 6 coolant

OUTLINE
R–3
R
SPECIFICATIONSA6E740201013203
*1: Engine coolant and engine oil are at specified level. Fuel is full. Spare tire, jack and tools are in designated position.
*
2: Difference between left and right must not exceed 1 °30'.*3: Distance between wheel center and fender brim is following. 4SD and 5HB front: 402 mm {15.82 in} (reference
value) 4SD and 5HB rear: 401 mm {15.78 in} (reference value), WGN (2WD) front: 405 mm {15.94 in}
(reference value) WGN (2WD) rear: 407 mm {16.02 in} (reference value)
Bold frames: New specifications
End Of Sie
Item Specification
New Mazda6 Current
Mazda6
GG (4SD, 5HB) GY (WGN 2WD) GY (WGN 4WD) GG (4SD, 5HB)
Engine type LF, MZR-CD
(RF Turbo) L8, LF, L3,
MZR-CD (RF Turbo) L3 L8, LF, L3
Fr o nt
suspension Type High-mount double wishbone (with double-pivoted lower arm(s))
Spring type Coil spring
Shock absorber type
Cylindrical, double-acting
(Low-pressure gas charged with rebound spring)
Stabilizer Type Torsion bar
Diameter (mm {in}) 23 {0.91}
Wheel
alignment
(Unloaded)*
1
Total toe-in (mm {in}) Tire: 2
±4 {0.08 ±0.16}, Rim inner: 1 ±3 {0.04 ±0.12}
(degree) 0 °11 ′±0°22 ′
Maximum
steering
angle inner
18 inch wheel specification vehicles: 36
°±3°
Except for above: 39 °±3°
outer 18 inch wheel specification vehicles: 30
°±3°
Except for above: 31 °±3°
Caster
angle*
2
(reference
value) normal 3
°47 ′±1° 3°40 ′±1° 3°35 ′±1° 3°47 ′±1°
elevated*33 °42' ±1° 3°35 ′±1° —3 °42' ±1 °
Camber
angle*
2
(reference
value) normal –0
°17 ′±1° –0°15 ′±1° –0°08 ′±1° –0°17 ′±1°
elevated*3–0 °10' ±1° –0°08 ′±1° —–0 °10' ±1°
Steering
axis
inclination
(reference
value) normal 5
°28 ′ 5°24 ′ 5°16 ′ 5°28 ′
elevated
*35 °18' 5 °16 ′ —5 °18'
Rear
suspension Type E-type multi-link
Spring type Coil spring
Stabilizer
Type Torsion bar
Diameter (mm {in})
4SD: 19 {0.75}
5HB: 18 {0.71}18 {0.71} 21 {0.83}
4SD: 19 {0.75}
5HB: 18 {0.71}
Shock absorber type Cylindrical,
double-acting
(Low-pressure gas charged) Cylindrical,
double-acting
(Low-pressure gas charged)/
(High-pressure
gas charged) Cylindrical,
double-acting
(High-pressure gas charged) Cylindrical,
double-acting
(Low-pressure gas charged)
Wheel
alignment
(Unloaded)*
1
Total toe-in (mm {in}) Tire: 2
±4 {0.08 ±0.16}, Rim inner: 1 ±3 {0.04 ±0.12}
(degree) 0 °11 ′±0°22 ′
Camber
angle*
2
normal –1 °13 ′±1° –1°06 ′±1° –1°03 ′±1° –1°13 ′±1°
elevated
*3–1 °05 ′±1° –0°58 ′±1° —–1 °05 ′±1°
Thrust angle (degree) 0 °±0°48 ′

REAR SUSPENSION
R–5
R
SUSPENSION CONTROL SYSTEMA6E741601013201Outline
•The self-leveling suspension is a system that adjusts the vehicle height according the amount of vehicle load.
This system will raise the rear of a vehicle, lowered due to a load placed on it, to the designated load level
* after
the vehicle has been driven a certain distance.
•The vehicle height adjustment is performed using a gas-pressurized pump function built into the rear shock
absorber.
•For the vehicle height to return to the designated load level, the vehicle must be driven approx. 5—6 km {3.1—
3.7 miles} in city driving conditions. (Distance will vary due to load and road conditions.)
•A load amount of approx. 140—300 kg {308—660 lb} at the rear axle will cause the vehicle height to be raised,
and any weight over that will prevent the vehicle from returning to the designated load level.
*: Designated load level is defined as the level at which the vehicle is with: a full fuel tank; engine coolant and oil at
specified levels; spare tire, jack and tools in designated positions; and four people, weighing 55 kg {121 lb} each,
riding in the vehicle.
Construction
.
REAR SUSPENSION
5
4
3
6
1
2
A6E74162001
1 Outlet check valve
2 Pump chamber
3 Low-pressure chamber4 High-pressure chamber
5Piston
6 Inlet check valve

R–8
WHEEL ALIGNMENT
FRONT WHEEL ALIGNMENT (WGN)A6E741201015201Specification (Unloaded)*1
2WD
*
1: Engine coolant and engine oil are at specified level. Spare tire, jack and tools are in designated position.
*2: Difference between left and right must not exceed 1 °30'.*3: Distance between wheel center and fender brim is 405 mm {15.94 in} (reference value).
4WD
*
1: Engine coolant and engine oil are at specified level. Spare tire, jack and tools are in designated position.
*2: Difference between left and right must not exceed 1 °30'.
Maximum Steering Angle Adjustment 1. Loosen the tie-rod end locknuts.
2. Remove the steering gear boot clamp.
3. Turn the tie rods to equalize the length L.
Maximum left/right difference3 mm {0.12 in}
4. Turn the tie rods equally to provide the correct maximum steering angle.
5. Tighten the tie-rod end locknuts.
Tightening torque68.6—98.0 N·m {7.00—9.99 kgf·m, 50.6—72.2 ft·lbf}
6. Verify that the boot is not twisted, and install the boot clamp.
7. Adjust the toe-in after adjusting the steering angle.
WHEEL ALIGNMENT
Item Fuel gauge indication
Empty 1/4 1/2 3/4 Full
Maximum steering angle Inner
18 inch wheel specification vehicles: 36
°±3°
Except for above: 39 °±3°
Outer 18 inch wheel specification vehicles: 30
°±3°
Except for above: 31 °±3°
Total toe-in (mm {in}) Tire: 2
±4 {0.08 ±0.16}, Rim inner: 1 ±3 {0.04 ±0.12}
(degree) 0 °11 ′±0°22 ′
Caster angle
*2
(Reference value) normal 3
°30' ±1 ° 3°32' ±1 ° 3°34' ±1° 3°37' ±1° 3°40' ±1 °
elevated*33 °25' ±1 ° 3°27' ±1 ° 3°29' ±1° 3°32' ±1° 3°35' ±1 °
Camber angle
*2
(Reference value) normal -0
°14' ±1 ° -0°15' ±1°
elevated*3-0 °07' ±1 ° -0°08' ±1°
Steering axis inclination
(Reference value) normal 5
°24'
elevated
*35 °15' 5 °16'
Item Fuel gauge indication
Empty 1/4 1/2 3/4 Full
Maximum steering angle Inner 39
°±3°
Outer 31 °±3°
Total toe-in (mm {in}) Tire: 2
±4 {0.08 ±0.16}, Rim inner: 1 ±3 {0.04 ±0.12}
(degree) 0 °11 ′±0°22 ′
Caster angle*
2 (reference value) 3
°25' ±1 ° 3°27' ±1 ° 3°29' ±1 ° 3°32' ±1 ° 3°35' ±1 °
Camber angle*
2(reference value) -0
°07' ±1 ° -0°08' ±1°
Steering axis inclination (reference value) 5 °15' 5 °16'
LEFT AND RIGHT DIFFERENCE
L
LESS THAN 3 mm {0.12 in}
A6E7412W002

WHEEL ALIGNMENT
R–9
R
Total Toe-in Adjustment
1. Center the steering wheel and confirm that the vehicle wheels/tires are pointing straight.
2. Loosen the left and right tie-rod end locknuts and turn the tie-rods equally. Both tie rods are right threaded, so
turning the right tie-rod toward the front of the vehicle and the left toward the rear increases toe-in.
Note
•Turning both tie-rods one complete turn changes toe-in by about 6 mm {0.24 in} (0°36').
3. Tighten the tie-rod end locknuts to the specified torque.
Tightening torque
68.6—98.0 N·m {7.00—9.99 kgf·m, 50.6—72.2 ft·lbf}
4. Verify that the boot is not twisted, and install the boot clamp.
End Of Sie
REAR WHEEL ALIGNMENT (WGN)A6E741201016201Specification (Unloaded)*1
2WD
*
1: Engine coolant and engine oil are at specified level. Spare tire, jack and tools are in designated position.
*2: Difference between left and right must not exceed 1°30'.*3: Distance between wheel center and fender brim is 407 mm {16.02 in} (reference value).
4WD
*
1: Engine coolant and engine oil are at specified level. Spare tire, jack and tools are in designated position.
*2: Difference between left and right must not exceed 1°30'.
Note
•Adjust the toe-in after adjusting the camber.
Camber Adjustment
1. Loosen the cam nut on the lower arm.
2. Turn the adjusting cam bolt to provide the correct
camber angles as indicated.
3. Tighten the cam nut.
Tightening torque
86.2—116.6 N·m {8.80—11.88 kgf·m, 63.58—
85.99 ft·lbf}
ItemFuel gauge indication
Empty 1/4 1/2 3/4 Full
Total toe-in(mm {in}) Tire: 2±4 {0.08±0.16}, Rim inner: 1±3 {0.04±0.12}
(degree) 0°11′±0°22′
Camber angle
*2 normal–0°59′±1°–1°00′±1°–1°02′±1°–1°04′±1°–1°06′±1°
elevated
*3–0°52′±1°–0°53′±1°–0°55′±1°–0°56′±1°–0°58′±1°
Thrust angle 0°±0°48′
ItemFuel gauge indication
Empty 1/4 1/2 3/4 Full
Total toe-in(mm {in}) Tire: 2±4 {0.08±0.16}, Rim inner: 1±3 {0.04±0.12}
(degree) 0°11′±0°22′
Camber angle*
2 –0°55′±1°–0°57′±1°–0°59′±1°–1°01′±1°–1°03′±1°
Thrust angle (degree) 0°±0°48′
Left wheel Right wheel
Positive direction ClockwiseCounter-
clockwise
Negative directionCounter-
clockwiseClockwise
LEFT SIDE
(VIEW FROM
FRONT OF THE
VEHICLE)
ADJUSTING
CAM BOLT
A6E7412W003

U–6
CONTROL SYSTEM
WATER HEATER SYSTEMA6E854000169201Outline
•The function, structure and operation of the water heater system is essentially carried over from that of the
current MPV (LW) model, except for following:
—Full/half switching temperature has been changed.
Structural View
.
Operation
Full/half switching
•Depending on the engine coolant temperature, the CPU sets the flame to either full or half strength settings.
.
End Of Sie
CONTROL SYSTEM
1
2
A6E85402002
1 Water heater unit2 Fuel pump (water heater system)
3
1
2
68
{154}74
{165}75
{167}78
{172}˚C
{˚F}
A6E85402003
1 Full mode
2 Half mode3 Idle mode

U–10
BASIC SYSTEM
A/C UNIT REMOVAL/INSTALLATIONA6E8516611302011. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system.
3. Drain the engine coolant.
4. Remove the dashboard.
5. Remove the theft-deterrent control module.
Caution
•If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and
abnormal noise will occur. Always immediately plug open fittings after removing any refrigeration
cycle parts to keep moisture or foreign material out of the cycle.
6. Remove in the order indicated in the table. Do not allow compressor oil to spill.
.
BASIC SYSTEM
1
L.H.D.R.H.D.
3
2
R
R
N·m {kgf·cm, in·lbf} 6.86—9.80
{70.0—99.9,
60.8—86.7}
R
R
3
2
1
4
A6E85162001
1 Heater hose
2 Cooler pipe No.4 (L.H.D.) or cooler pipe No.5
(R.H.D.)
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION) (R.H.D.)
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION)3 Cooler pipe No.3
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION) (R.H.D.)
(See U–13 REFRIGERANT LINES REMOVAL/
INSTALLATION)
4A/C unit
(See U–11 A/C Unit Installation Note)

BASIC SYSTEM, CONTROL SYSTEM
U–15
U
End Of Sie
WATER HEATER UNIT REMOVAL/INSTALLATIONA6E854000170201
Caution
•If the negative battery cable is disconnected during the purge cycle of the water heater unit, the
gas in the unit may not be properly scavenged, causing white smoke (unburnt gas) to emit from
the exhaust pipe. Before disconnecting the negative battery cable, verify that the water heater unit
is not operating (no blower fan operation noise).
1. Complete the “BEFORE REPAIR PROCEDURE”. (See F2–45 BEFORE REPAIR PROCEDURE.)
2. Disconnect the negative battery cable.
3. Drain the engine coolant.
4. Remove the fuel filter with the pipes still connected, and fix the fuel filter using a rope so that it is out of the way.
5. Remove in the order indicated in the table.
6. Install in the reverse order of removal.
7. Complete the “AFTER REPAIR PROCEDURE”. (See F2–45 AFTER REPAIR PROCEDURE.)
8. Refill the engine coolant.
.
End Of Sie
1 Cooler pipe No.1
2 Cooler pipe No.2
3 Cooler pipe No.3
4 Cooler pipe No.45 Cooler pipe No.5 (R.H.D. only)
6 Cooler hose (HI)
7 Cooler hose (LO)
CONTROL SYSTEM
A
A
B
B
5
4
3
1
2
6
TO
FUEL PIPE
8.9—12.7
{90—130, 79—112}
N·m {kgf·cm, in·lbf}
8.9—12.7
{90—130, 79—112}
A6E85402004
1 Connector
2 Heater hose No.1
3 Heater hose No.34 Water heater unit
5 Fuel pump (water heater system)
6 Exhaust pipe

U–22–2
ON-BOARD DIAGNOSTIC
PID/Data Monitor and Record Procedure
1. Connect SST (WDS or equivalent) to the vehicle
DLC-2 16-pin connector located as shown in the
figure.
2. Access and monitor PIDs by WDS or equivalent.
End Of SieDTC TABLEA6E857001038202
* : If a DTC not listed above is detected, there is a water heater malfunction, and the water heater must be
replaced.
End Of SiePID/DATA MONITOR AND RECORDA6E857001038209PID Monitoring Item Table
DLC-2
A6E3970W002
DTC Possible cause Page
B1317 Input voltage high (See U–22–3 DTC B1317)
B1318 Input voltage low (See U–23 DTC B1318)
B1342 Malfunction in water heater unit(See U–23 DTC B1342, B2463,
B2537, B2538, B2547)
B2449 Glow plug circuit short to ground (See U–24 DTC B2449, B2450)
B2450 Glow plug circuit open (See U–24 DTC B2449, B2450)
B2451 Fuel pump circuit short to ground (See U–24 DTC B2451, B2452)
B2452 Fuel pump circuit open (See U–24 DTC B2451, B2452)
B2453 Blower fan circuit short to ground (See U–25 DTC B2453, B2454)
B2454 Blower fan circuit open (See U–25 DTC B2453, B2454)
B2463 Overheat(See U–23 DTC B1342, B2463,
B2537, B2538, B2547)
B2537 Water heater system does not start(See U–23 DTC B1342, B2463,
B2537, B2538, B2547)
B2538 Unstable flame(See U–23 DTC B1342, B2463,
B2537, B2538, B2547)
B2547 Flame prior to operation(See U–23 DTC B1342, B2463,
B2537, B2538, B2547)
B2548 Water heater lockout mode (See U–25 DTC B2548)
PID Name
(Definition)Unit/
ConditionCondition/Specification
(Reference)ActionWater
Heater Unit
terminal
CCNTFFH
(Number of continuous
codes)—•DTC is detected: 1—255
•DTC is not detected: 0Perform inspection
using appropriate
DTC.—
ECT
(Engine coolant temperature)°C°F•ECT 20 °C {68 °F}: 20 °C {68 °F}
•ECT 60 °C {140 °F}: 60 °C {140 °F}——
VPWR_FFH
(Module supply voltage)V•Ignition switch ON: B+Inspect water heater
unit power supply
terminal.A
VPWR_LMT
(Low voltage threshold)V•Ignition switch ON: approx. 9.5 VInspect water heater
unit power supply
terminal.A
FAN
(Fan control)%•Blower fan is not operating: 0 %
•Blower fan is operating: 0—100 %——
GPD
(Glow plug duty cycle)%•Water heater unit is not operating: 0 %
•Water heater unit is operating: 0—100 %——
BLOWRMTR
(Blower motor)On/Off•Blower fan is not operating: Off
•Blower fan is operating: On——