No part of this hardcopy may be reproduced in any form without prior permission of
Mazda Motor Europe GmbH.
The illustrations, technical information, data and descriptive text in this issue, to the best of our
knowledge, were correct at the time of going to print.
No liability can be accepted for any inaccuracies or omissions in this publication, although every
possible care has been taken to make it as complete and accurate as possible.
Air cleaner element*3
Evaporative system (if i ns talled)
DIESEL ENGINE
Drive belts*1
Engine timing belt*4
Radiator cap
Fuel system (Drain water)
Fuel filter
Air cleaner element*3
Diesel particulate fi l t er (DPF) (if installed)
Fuel additive for DPF
GASOLINE and DIESEL ENGINE
Engine oil*5
Engine oil filter*5
Cooling system
Engine coolant
Fuel lines and hoses
Battery electrolyte level and specific gravity
Brake lines, hoses and c onnections
Brake fluid*7
Parking brake
Disc brakes
Steering operation and linkages
Front and rear suspension, ball joint s and wheel
bearing axial play
Power steering fluid, lines, hoses and connections
Manual transaxle oil (for gasoline)
Manual transaxle oil (for diesel)
Automatic transaxle fluid level
Drive shaft dust boots
Bolts and nuts on chassis and body
Body condition (for rust, corrosion and perforation)
Exhaust system and heat shi el ds
: Inspect and repair, cl ean, adjust, or replace if neces sary.
I
: Replace
R
: Clean
C
: Drain
D
: Tighten
T
Months
x 1000 km
x 1000 miles
Iridium type
except Iridium type
ZJ, Z6CCRCCRCCR
LFRRR
FL22 type*6Replace every 200,000 km (125,000 miles) or 11 years
Others
1224364860728496108
20406080100120140160180
12.52537.55062.57587.5100112.5
Audible inspect every 120,000 k m (75,000 miles), if noisy, adjust
III
IIIII
Replace every 120,000 km (75,000 miles)
RRR
III
IIIIIIIII
Replace every 240,000 km (150,000 miles) or 10 years
IIII
DDDDDDDDD
RRR
RRR
Replace every 120,000 km (75,000 miles)
Refill every 60,000 km (37,500 miles)
RRRRRRRRR
RRRRRRRRR
IIII
Replace first at 100,000 k m (62,500 miles) or 4 years;
after that every 2 years
IIII
IIIIIIIII
IIIIIIIII
RRRR
IIIIIIIII
IIIIIIIII
IIII
IIII
IIIIIIIII
R
IIIIIIIII
III
IIII
TTTT
Inspect annually
Inspect every 80,000 km (50,000 miles) or 5 years
IIIIIIIII
RRRR
M3FL_T00003
Service Training Mazda3 F/L 00-3
General Information
• Refer below for a description of items marked * in the maintenance chart:
– *1: Also inspect and adjust the power steering and air conditioner drive belts, if
installed.
– *2: Verify the spark plug type from the installed spark plugs. Refer to specifications.
– *3: If the vehicle is operated in very dusty or sandy areas, clean and if necessary
replace the air cleaner element more often than the recommended intervals.
– *4: Replacement of the timing belt is required every 240,000 km {150,000 miles} or
10 years. Failure to replace the timing belt may result in a major damage to the
engine.
– *5: If the vehicle is operated under hard conditions (dusty road, extended periods of
idling or low speed operation, cold temperature or driving short distances), change
the engine oil and oil filter every 10,000 km {6,250 miles} or less.
– *6: When replacing the coolant on vehicles with the inscription “FL22” on the radiator
cap itself or the surrounding area, use only coolant of this type.
– *7: If the brakes are used extensively (for example, continuous hard driving or
mountain driving) or if the vehicle is operated in extremely humid climates, change
the brake fluid annually.
00-4 Service Training Mazda3 F/L
Engine 1.3 MZR Engine
1.3 MZR Engine
Features
• The construction and operation of the 1.3 MZR engine is essentially carried over from
that of the current Mazda3 with ZJ engine except for the following features:
– Valve timing of the exhaust valves has been modified
Overview
M3FL_01019
Service Training Mazda3 F/L 01-1
Mechanical 1.3 MZR Engine
Mechanical
Camshaft
• The exhaust-side camshaft has been modified, so that the exhaust valves open later.
1 Variable domain
M3FL_01020
01-2 Service Training Mazda3 F/L
Engine 2.0 MZR Engine
2.0 MZR Engine
Features
• The construction and operation of the 2.0 MZR engine is essentially carried over from
that of the current Mazda3 with LF engine except for the following features:
– Electronic throttle valve with drive-by-wire relay and accelerator pedal position
sensor (similar to that of the Mazda6 F/L)
– Direct ignition coils with integrated power transistor (similar to those of the
Mazda6 F/L)
– Linear-type (Broadband) upstream oxygen sensor (similar to that of the Mazda6 F/L)
– Generator with two stator coils (similar to that of the Mazda6 F/L)
– Magneto resistive-type crankshaft and camshaft position sensor (similar to that of the
Mazda6 F/L)
– Variable valve timing system with oil control valve and camshaft actuator (similar to
that of the Mazda6 F/L)
– Cruise control system integrated in the PCM, with cruise control switches and brake
pedal position switch (similar to that of the Mazda6 F/L)
NOTE: Further information can be found in the Training Manual “Basic Petrol Engine
Management” (CT-L2004)
Service Training Mazda3 F/L 01-3
2.0 MZR Engine Engine
Engine Performance Curve
1 Power 3 Engine speed
2 Torque
M3FL_01001
01-4 Service Training Mazda3 F/L
Engine 2.0 MZR Engine
Overview
M3FL_01002
Service Training Mazda3 F/L 01-5
1.6 MZ-CD Engine Engine
1.6 MZ-CD Engine
Features
• The construction and operation of the 1.6 MZ-CD engine is essentially carried over from
that of the current Mazda3 with Y6 engine except for the following features:
– CP3.2 high-pressure pump has been replaced by CP1H high-pressure pump for
1.6 MZ-CD high-power engine
– Glow relay with a joint power supply for all glow plugs
– Cruise control system integrated in the PCM has been introduced for 1.6 MZ-CD
high-power engine.
Overview
M3FL_01004
01-6 Service Training Mazda3 F/L
1.6 MZ-CD Engine Fuel System
Fuel System
Features
• The fuel system of the 1.6 MZ-CD engine is essentially carried over from that of the
current Mazda3 with 1.6 MZ-CD engine (Euro 4) except for the following features:
– CP3.2 high-pressure pump replaced by the CP1H pump for the 1.6 MZ-CD high-
• The 1.6 MZ-CD high-power engine is equipped with the CP1H high-pressure pump,
which is also manufactured by Bosch. The operation is similar to that of the CP3.2 pump.
• On the CP1H high-pressure pump the fuel metering valve closes the passage between
feed pump and radial-piston pump when de-energized.
NOTE: In case of an open circuit the fuel metering valve adopts in the closed position. As a
result, the engine stalls and does not start anymore.
1 From PCM control relay 3 PCM
2 Fuel metering valve 4 Current detection circuit
M3FL_01010
Service Training Mazda3 F/L 01-9
Control System 1.6 MZ-CD Engine
Control System
Features
• The control system of the 1.6 MZ-CD engine is essentially carried over from that of the
current Mazda3 with 1.6 MZ-CD engine (Euro 4) except for the following features:
– Glow plug control module with separate power supply for all glow plugs replaced by
a glow plug relay with joint power supply
– Cruise control system integrated in the PCM for 1.6 MZ-CD high-power engine
Parts Location
M3FL_01014
01-10 Service Training Mazda3 F/L
1.6 MZ-CD Engine Control System
1 Low-power engine 16 Battery
2 High-power engine 17 Starter relay
3 ISV DC motor and position sensor 18 PCM control relay
4 Manifold absolute pressure sensor 19 Glow plug relay
5 IAT sensor no.2 20 MAF/ IAT sensor
6 Injector 21 Engine coolant temperature sensor
7 Camshaft position sensor 22 Powertrain control module (incl.
Barometric pressure sensor)
8 Fuel temperature sensor 23 Fuel pressure sensor
9 EGR valve DC motor and position sensor 24 VBC solenoid valve
10 Accelerator pedal position sensor 25 Crankshaft position sensor
11 Engine switch 26 Exhaust gas temperature sensor (only
high-power engine)
12 Brake pedal position switch 27 Generator
13 Clutch pedal position switch 28 Fuel metering valve
14 DLC-2 29 Charge-air cooler bypass valve DC motor
and position sensor (only high-power
engine)
15 DPF differential pressure sensor (only
high-power engine)
Service Training Mazda3 F/L 01-11
Control System 1.6 MZ-CD Engine
Block Diagram
M3FL_01015
01-12 Service Training Mazda3 F/L
1.6 MZ-CD Engine Control System
1 Instrument cluster 20 Exhaust gas temperature sensor (only
high-power engines)
2 Powertrain control module (incl.
10 MAF/ IAT sensor 29 Glow plug relay
11 Fuel temperature sensor 30 Fuel metering valve
12 Engine coolant temperature sensor 31 Cooling fan and A/C compressor (if
13 Camshaft position sensor 32 PCM control relay
14 Crankshaft position sensor 33 Generator (field coil)
15 EGR valve position sensor 34 EGR valve DC motor
16 Generator (stator coil) 35 ISV DC motor (only low-power engines)
17 IAT sensor no. 2 36 ISV DC motor and charge-air cooler
18 ISV position sensor (only low-power
engines)
19 ISV position sensor and charge-air cooler
bypass valve position sensor (only high-
power engines)
21 DPF differential pressure sensor (only
high-power engines)
22 Fuel-filler switch (only high-power
engines)
23 Fuel additive level sensor (only high-
power engines)
equipped)
bypass valve DC motor (only high-power
engines)
37 Fuel additive pump (only high-power
engines)
Service Training Mazda3 F/L 01-13
Control System 1.6 MZ-CD Engine
Glow Plug Relay
• The glow plug relay is located in the main fuse block and features a joint power supply
terminal for all glow plugs. Depending on the operating conditions the PCM energizes
the glow plug relay, which in turn switches the power supply to the glow plugs. To
facilitate failure detection the PCM monitors the voltage outputted to the glow plugs.
M3FL_01016
01-14 Service Training Mazda3 F/L
1.6 MZ-CD Engine Control System
Cruise Control System
• The 1.6 MZ-CD high-power engine features a cruise control system integrated in the
PCM, i.e. the vehicle speed is controlled by variation of the fuel injection amount. When
the desired vehicle speed has been set, the PCM determines the target injection amount
based on the vehicle speed signal. If the actual vehicle speed goes below or above the
set speed, the PCM increases or decreases the injection amount.
1 PCM 5 VSS
2 Brake pedal position switch 6 Injectors
3 Clutch pedal position switch 7 Cruise main indicator light
4 Cruise control switches 8 Cruise indicator light
M3FL_01017
Service Training Mazda3 F/L 01-15
Control System 1.6 MZ-CD Engine
Cruise Control Switches
• The cruise control switches are connected to the instrument cluster. Depending on the
switch position the resistance and hence the voltage drop at the switches changes. The
instrument cluster determines the driver’s cruise control settings according to the voltage
signal from the switches, and transmits a corresponding information via the high-speed
CAN bus to the PCM.
NOTE: The cruise control switches can be checked using the input/output check mode for
the instrument cluster.
1 Cruise control switches 3 High-speed CAN bus
2 Instrument cluster 4 PCM
M3FL_01018
01-16 Service Training Mazda3 F/L
Suspension
Suspension
Features
• The construction and operation of the suspension is essentially carried over from that of
the current Mazda3 except for the following features:
– Front shock absorbers have been modified
– Front steering knuckle arm position has been modified
– Rear twin-tube shock absorbers replaced by mono-tube shock absorbers with a
larger piston diameter (similar to those of the Mazda5)
– Rear lateral link position has been modified
– Rear stabilizer mounting position has been modified
Service Training Mazda3 F/L 02-1
Suspension
Front Suspension
• The steering knuckle arm position has been modified to reduce wheel toe-out when
driving over bumps.
1 Coil spring 5Steering knuckle
2 Stabilizer control link 6Lower arm
3 Stabilizer 7Crossmember
4 Shock absorber
M3FL_02002
02-2 Service Training Mazda3 F/L
Suspension
Rear Suspension
• Mono-tube shock absorbers are used at the rear axle to reduce oil foaming and hence
deterioration of the shock absorber performance at high temperatures. In addition, the
lateral link position has been modified to increase wheel toe-in when driving over bumps.
1 Shock absorber 6 Coil spring
2 Crossmember 7 Stabilizer control link
3 Trailing link 8 Stabilizer
4 View from rear of the vehicle 9 Lateral link
5 Lower arm 10 Upper arm
M3FL_02001
Service Training Mazda3 F/L 02-3
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