Mazda engine L8, LF, L3. Manual — part 4
ELECTRICAL SYSTEM
GI–11
GI
•
Connectors can be disconnected by pressing or
pulling the lock lever as shown.
Locking connector
•
When locking connectors, listen for a click
indicating they are securely locked.
Inspection
•
When a tester is used to inspect for continuity or
measuring voltage, insert the tester probe from
the wiring harness side.
•
Inspect the terminals of waterproof connectors
from the connector side since they cannot be
accessed from the wiring harness side.
Caution
••••
To prevent damage to the terminal, wrap
a thin wire around the tester probe before
inserting into terminal.
WGIWXX0042E
X3U000WB1
X3U000WB2
WGIWXX0045E
GI–12
ELECTRICAL SYSTEM
Terminals
Inspection
•
Pull lightly on individual wires to verify that they
are secured in the terminal.
Wiring Harness
Wiring color codes
•
Two-color wires are indicated by a two-color code symbol.
•
The first letter indicates the base color of the wire and the second the color of the stripe.
End Of Sie
X3U000WB4
CODE
COLOR
CODE
COLOR
B
Black
O
Orange
BR
Brown
P
Pink
G
Green
R
Red
GY
Gray
V
Violet
L
Blue
W
White
LB
Light Blue
Y
Yellow
LG
Light Green
X3U000WB7
NEW STANDARDS
GI–13
GI
NEW STANDARDS
A6E202800020E01
•
Following is a comparison of the previous standard and the new standard.
NEW STANDARDS
New Standard
Previous Standard
Remark
Abbrevi-
ation
Name
Abbrevi-
ation
Name
AP
Accelerator Pedal
—
Accelerator Pedal
ACL
Air Cleaner
—
Air Cleaner
A/C
Air Conditioning
—
Air Conditioning
BARO
Barometric Pressure
—
Atmospheric Pressure
B+
Battery Positive Voltage
Vb
Battery Voltage
—
Brake Switch
—
Stoplight Switch
—
Calibration Resistor
—
Corrected Resistance
#6
CMP sensor Camshaft Position Sensor
—
Crank Angle Sensor
CAC
Charge Air Cooler
—
Intercooler
CLS
Closed Loop System
—
Feedback System
CTP
Closed Throttle Position
—
Fully Closed
CPP
Clutch Pedal Position
—
Idle Switch
CIS
Continuous Fuel Injection System
—
Clutch Position
CS sensor
Control Sleeve Sensor
CSP sensor Control Sleeve Position Sensor
#6
CKP sensor Crankshaft Position Sensor
—
Crank Angle Sensor 2
DLC
Data Link Connector
—
Diagnosis Connector
DTM
Diagnostic Test Mode
—
Test Mode
#1
DTC
Diagnostic Trouble Code(s)
—
Service Code(s)
DI
Distributor Ignition
—
Spark Ignition
DLI
Distributorless Ignition
—
Direct Ignition
EI
Electronic Ignition
—
Electronic Spark Ignition
#2
ECT
Engine Coolant Temperature
—
Water Thermo
EM
Engine Modification
—
Engine Modification
—
Engine Speed Input Signal
—
Engine RPM Signal
EVAP
Evaporative Emission
—
Evaporative Emission
EGR
Exhaust Gas Recirculation
—
Exhaust Gas Recirculation
FC
Fan Control
—
Fan Control
FF
Flexible Fuel
—
Flexible Fuel
4GR
Fourth Gear
—
Overdrive
—
Fuel Pump Relay
—
Circuit Opening Relay
#3
FSO
solenoid
Fuel Shut Off Solenoid
FCV
Fuel Cut Valve
#6
GEN
Generator
—
Alternator
GND
Ground
—
Ground/Earth
HO2S
Heated Oxygen Sensor
—
Oxygen Sensor
With heater
IAC
Idle Air control
—
Idle Speed Control
—
IDM Relay
—
Spill Valve Relay
#6
—
Incorrect Gear Ratio
—
—
—
Injection Pump
FIP
Fuel Injection Pump
#6
—
Input/Turbine Speed Sensor
—
Pulse Generator
IAT
Intake Air Temperature
—
Intake Air Thermo
KS
Knock Sensor
—
Knock Sensor
MIL
Malfunction Indicator Lamp
—
Malfunction Indicator Light
MAP
Manifold Absolute Pressure
—
Intake Air Pressure
MAF sensor Mass Air Flow Sensor
—
Airflow Sensor
MFL
Multiport Fuel Injection
—
Multiport Fuel Injection
OBD
On-Board Diagnostic
—
Diagnosis/SelfDiagnosis
OL
Open Loop
—
Open Loop
GI–14
NEW STANDARDS
#1 : Diagnostic trouble codes depend on the diagnostic test mode
#2 : Controlled by the PCM
#3 : In some models, there is a fuel pump relay that controls pump speed. That relay is now called the fuel pump
relay (speed).
#4 : Device that controls engine and powertrain
#5 : Directly connected to exhaust manifold
#6 : Part name of diesel engine
End Of Sie
—
Output Speed Sensor
—
Vehicle Speed Sensor 1
OC
Oxidation Catalytic Converter
—
Catalytic Converter
O2S
Oxygen Sensor
—
Oxygen Sensor
PNP
Park/Neutral Position
—
Park/Neutral Range
—
PCM Control Relay
—
Main Relay
#6
PSP
Power Steering Pressure
—
Power Steering Pressure
PCM
Powertrain Control Module
ECU
Engine Control Unit
#4
—
Pressure Control Solenoid
—
Line Pressure Solenoid Valve
PAIR
Pulsed Secondary Air Injection
—
Secondary Air Injection System
Pulsed
injection
—
Pump Speed Sensor
—
NE Sensor
#6
AIR
Secondary Air Injection
—
Secondary Air Injection System
Injection
with air
pump
SAPV
Secondary Air Pulse Valve
—
Reed Valve
SFI
Sequential Multipoint Fuel Injection
—
Sequential Fuel Injection
—
Shift Solenoid A
—
1–2 Shift Solenoid Valve
—
Shift A Solenoid Valve
—
Shift Solenoid B
—
2–3 Shift Solenoid Valve
—
Shift B Solenoid Valve
—
Shift Solenoid C
—
3–4 Shift Solenoid Valve
3GR
Third Gear
—
3rd Gear
TWC
Three Way Catalytic Converter
—
Catalytic Converter
TB
Throttle Body
—
Throttle Body
TP sensor
Throttle Position Sensor
—
Throttle Sensor
TCV
Timer Control Valve
TCV
Timing Control Valve
#6
TCC
Torque Converter Clutch
—
Lockup Position
TCM
Transmission (Transaxle) Control
Module
—
ECAT Control Unit
—
Transmission (Transaxle) Fluid
Temperature Sensor
—
ATF Thermosensor
TR
Transmission (Transaxle) Range
—
Inhibitor Position
TC
Turbocharger
—
Turbocharger
VSS
Vehicle Speed Sensor
—
Vehicle Speed Sensor
VR
Voltage Regulator
—
IC Regulator
VAF sensor Volume Air Flow Sensor
—
Air flow Sensor
WUTWC
Warm Up Three Way Catalytic
Converter
—
Catalytic Converter
#5
WOT
Wide Open Throttle
—
Fully Open
New Standard
Previous Standard
Remark
Abbrevi-
ation
Name
Abbrevi-
ation
Name
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