Mazda CX-7 2007 Workshop Manual page 568

Terminal Signal
2AK TP sensor (No. 1)
2AL TP sensor (No. 2)
EGR valve #3 coil
2AM
control
EGR valve #6 coil
2AN
control
Constant voltage
2AO
(Vref)
2AP TP sensor Ground
EGR valve #1 coil
2AQ
control
EGR valve #4 coil
2AR
control
Variable swirl
2AS
control
2AT IGT4
Constant voltage
2AU
(Vref)
2AV Sensor ground
2AW IGT2
2AX IGT3
2AY Sensor ground
Fuel injection
2AZ
(–)(#4)
2BA IGT1
Fuel injection
2BB
(–)(#1)
Fuel injection
2BC
(–)(#2)
Fuel injection
2BD
(–)(#3)
Fuel injector power
2BE
supply 1
01-40–12
CONTROL SYSTEM [L3 WITH TC]
Connected to
Ignition switch
TP sensor (No. 1) to the ON
position
Ignition switch
TP sensor (No. 2) to the ON
position
Ignition switch to the ON position
EGR valve
(terminal A)
Ignition switch off
Ignition switch to the ON position
EGR valve
(terminal F)
Idle
TP sensor Ignition switch to the ON position
TP sensor Under any condition
Ignition switch to the ON position
EGR valve
(terminal E)
Idle
Ignition switch to the ON position
EGR valve
(terminal B)
Ignition switch off
ECT 62 °C {144 °F} or more and
engine speed 3,250 rpm or more
Variable swirl
ECT less than 62 °C {144 °F} and
solenoid valve
engine speed less than3,250 rpm
• Inspect using the wave profile.
Ignition coil (No.4
(See01-40-6 PCM inspection
cylinders)
preparation.)
MAP sensor Ignition switch to the ON position
MAP sensor Under any condition
• Inspect using the wave profile.
Ignition coil (No.2
(See01-40-6 PCM inspection
cylinders)
preparation.)
• Inspect using the wave profile.
Ignition coil (No.3
(See01-40-6 PCM inspection
cylinders)
preparation.)
ECT sensor Under any condition
• Inspect using the wave profile.
Fuel injector
(See01-40-6 PCM inspection
(No.4)
preparation.)
• Inspect using the wave profile.
Ignition coil (No.1
(See01-40-6 PCM inspection
cylinders)
preparation.)
• Inspect using the wave profile.
Fuel injector
(See01-40-6 PCM inspection
(No.1)
preparation.)
• Inspect using the wave profile.
Fuel injector
(See01-40-6 PCM inspection
(No.2)
preparation.)
• Inspect using the wave profile.
Fuel injector
(See01-40-6 PCM inspection
(No.3)
preparation.)
Ignition switch off
Fuel Injector relay
Ignition switch to the ON position
Voltage
Test condition
APP is released 0.4—0.6
APP is
4.7—4.9
depressed
APP is released 4.4—4.6
APP is
0.1—0.3
depressed
Below 1.0
Approx.
Below 1.0
Below 1.0
Below 1.0
Below 1.0
Below 1.0
Approx.
Below 1.0
Below 1.0
Below 1.0
Inspection item
(V)
• TP sensor
• Related wiring
harness
• TP sensor
• Related wiring
harness
• EGR valve
B+
• Related wiring
harness
• EGR valve
B+
• Related wiring
B+
harness
• TP sensor
• Related wiring
5.0
harness
• TP sensor
• Related wiring
harness
• EGR valve
• Related wiring
harness
• EGR valve
B+
• Related wiring
harness
• Variable swirl
B+
solenoid valve
• Related wiring
harness
• Ignition coil No.4
• Related wiring
harness
• Related wiring
5.0 harness
• Related wiring
harness
• Ignition coil No.2
• Related wiring
harness
• Ignition coil No.3
• Related wiring
harness
• ECT sensor
• Related wiring
harness
• Fuel injector No.4
• Related wiring
harness
• Ignition coil No.1
• Related wiring
harness
• Fuel injector No.1
• Related wiring
harness
• Fuel injector No.2
• Related wiring
harness
• Fuel injector No.3
• Related wiring
harness
• Fuel Injector relay
• Related wiring
B+
harness