Mazda CX 7. Manual — part 132
EMISSION SYSTEM [L3 WITH TC]
01-16–13
01-16
Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See 01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH TC].)
2. Inspect the following wiring harnesses for open or
short circuit (continuity check).
Open circuit
• If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
— EGR valve terminal A and PCM terminal 2AM
— EGR valve terminal B and PCM terminal 2AR
— EGR valve terminal C or D and main relay terminal E
— EGR valve terminal E and PCM terminal 2AQ
— EGR valve terminal F and PCM terminal 2AN
Short circuit
• If there is continuity, there is a short circuit. Repair or replace the wiring harness.
— EGR valve terminal A and power supply
— EGR valve terminal A and body ground
— EGR valve terminal B and power supply
— EGR valve terminal B and body ground
— EGR valve terminal C or D and body ground
— EGR valve terminal E and power supply
— EGR valve terminal E and body ground
— EGR valve terminal F and power supply
— EGR valve terminal F and body ground
3. Remove the EGR valve, and inspect for any damage or clogging.
• If there is no damage or clogging, replace the EGR valve. (See 01-16-11 EGR VALVE REMOVAL/
INSTALLATION[L3 WITH TC])
End Of Sie
WM: PCV VALVE
EGR VALVE
WIRING HARNESS SIDE CONNECTOR
A
B
C
D
E
F
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FUSE BOX
(MAIN RELAY)
A
E
B
D
FRONT
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2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M
2E
2A
2I
2BH 2BD 2AZ 2AV 2AR 2AN 2AJ 2AF 2AB 2X 2T 2P
2H
2D
2L
2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O
2G
2C
2K
2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z
2V 2R 2N
2F
2B
2J
1BE 1BA 1AW 1AS 1AO 1AK 1AG 1AC 1Y 1U 1Q 1M
1E
1A
1I
1BH 1BD 1AZ 1AV 1AR 1AN 1AJ 1AF 1AB 1X
1T
1P
1H
1D
1L
1BG 1BC 1AY 1AU 1AQ 1AM 1AI 1AE 1AA 1W 1S 1O
1G
1C
1K
1BF 1BB 1AX 1AT 1AP 1AL 1AH 1AD 1Z
1V
1R 1N
1F
1B
1J
PCM
WIRING HARNESS-SIDE CONNECTOR
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EMISSION SYSTEM [L3 WITH TC]
01-16–14
POSITIVE CRANKCASE VENTILATION (PCV) VALVE INSPECTION[L3 WITH TC]
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1. Remove the intake manifold. (See 01-13-5 INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH TC])
2. Remove the PCV valve.
3. Blow through the valve and verify that air flows as
specified.
• If not as specified, replace the PCV valve.
Specification
End Of Sie
WM: CATALYTIC CONVERTER
WARM-UP THREE-WAY CATALYTIC CONVERTER (WU-TWC) INSPECTION[L3 WITH TC]
id011639801200
Caution
• Perform the following procedures, DTC P0421 is indicated only.
1. Connect the M-MDS to the DLC-2.
2. Start the engine and warm it up to normal
operating temperature.
3. Turn off the engine.
4. Verify that the engine compression is within the
specification. (See 01-10-9 COMPRESSION
INSPECTION[L3 WITH TC].)
• If the compression pressure is not within the
specification, repair or replace the
malfunction part.
5. Drive the vehicle for 10 min at 65— 96 km/h
{40— 60 mph} to allow the WU-TWC to reach
operating
6. Stop the vehicle and leave it in a safe space.
7. Access Test ID 10:21:80 on the “Diagnostic Monitoring Test Result” function.
8. Verify that the test result is within the specified indicated on the M-MDS.
• If it is not as specified, replace the WU-TWC. (See01-15-2 EXHAUST SYSTEM REMOVAL/
INSTALLATION[L3 WITH TC].)
End Of Sie
Condition
Airflow
Air applied from port A to B
Yes
Air applied from port B to A
No
B
A
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DLC-2
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CHARGING SYSTEM [L3 WITH TC]
01-17–1
01-17
01-17
CHARGING SYSTEM [L3 WITH TC]
CHARGING SYSTEM LOCATION INDEX
[L3 WITH TC] . . . . . . . . . . . . . . . . . . . . 01-17–1
BATTERY REMOVAL/INSTALLATION
[L3 WITH TC] . . . . . . . . . . . . . . . . . . . . 01-17–2
Battery Box Installation Note . . . . . . . . 01-17–2
BATTERY INSPECTION
[L3 WITH TC] . . . . . . . . . . . . . . . . . . . . 01-17–2
Electrolyte Specific Gravity . . . . . . . . . 01-17–2
Battery Voltage. . . . . . . . . . . . . . . . . . . 01-17–3
Back-up Current . . . . . . . . . . . . . . . . . . 01-17–3
BATTERY RECHARGING
[L3 WITH TC] . . . . . . . . . . . . . . . . . . . . 01-17–4
GENERATOR REMOVAL/INSTALLATION
[L3 WITH TC] . . . . . . . . . . . . . . . . . . . . . 01-17–4
Generator Removal Note . . . . . . . . . . . 01-17–5
Generator Installation Note . . . . . . . . . . 01-17–5
GENERATOR INSPECTION
[L3 WITH TC] . . . . . . . . . . . . . . . . . . . . . 01-17–6
Generator Warning Light . . . . . . . . . . . . 01-17–6
Generator . . . . . . . . . . . . . . . . . . . . . . . 01-17–6
Generator Inner Parts . . . . . . . . . . . . . . 01-17–8
GENERATOR
DISASSEMBLY/ASSEMBLY
[L3 WITH TC] . . . . . . . . . . . . . . . . . . . . . 01-17–11
End of Toc
WM: CHARGING SYSTEM
CHARGING SYSTEM LOCATION INDEX[L3 WITH TC]
id011739800100
.
End Of Sie
WM: BATTERY
1
2
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1
Battery
(See 01-17-2 BATTERY REMOVAL/
INSTALLATION[L3 WITH TC].)
(See 01-17-2 BATTERY INSPECTION[L3 WITH
TC].)
(See 01-17-4 BATTERY RECHARGING[L3 WITH
TC].)
2
Generator
(See 01-17-4 GENERATOR REMOVAL/
INSTALLATION[L3 WITH TC].)
(See 01-17-6 GENERATOR INSPECTION[L3 WITH
TC].)
(See 01-17-11 GENERATOR DISASSEMBLY/
ASSEMBLY[L3 WITH TC].)
1871-1U-06B(01-17).fm 1 ページ 2006年3月15日 水曜日 午前10時49分
CHARGING SYSTEM [L3 WITH TC]
01-17–2
BATTERY REMOVAL/INSTALLATION[L3 WITH TC]
id011739800500
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
Battery Box Installation Note
1. Install the battery box so that the side with the
notch points toward the front fender (LH).
End Of Sie
BATTERY INSPECTION[L3 WITH TC]
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Warning
• Since battery acid is toxic, be careful when handling the battery.
• Since battery acid is highly corrosive, be careful not to allow it to contact clothing or the vehicle.
• In case battery acid contacts skin, eyes, or clothing, flush it immediately with running water.
Especially if the acid gets in the eyes, flush with water for more than 15 min and get prompt
medical attention.
Electrolyte Specific Gravity
1. Measure the electrolyte specific gravity using a hydrometer.
• If it is less than the specification, recharge the battery. (See 01-17-4 BATTERY RECHARGING[L3 WITH
TC].)
Battery electrolyte specific gravity [20
°C {68 °F}]
1.22— 1.29
1
Negative battery cable
2
Positive battery cable cap
3
Positive battery cable
4
Battery clamp
5
Battery box
(See 01-17-2 Battery Box Installation Note.)
6
Battery
7
Battery tray
7
6
2
3
4
1
5
8.8—12.7
{89.8—129.5,
78.0—112.4}
2.9—4.9
{29.6—49.9,
25.7—43.3}
5.0—6.9 {51.0—70.3,
44.3—61.0}
N·m {kgf·cm, in·lbf}
2.9—4.9
{29.6—49.9,
25.7—43.3}
8.8—12.7
{89.8—129.5,
78.0—112.4}
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LH FRONT FENDER
FRONT
NOTCH
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1871-1U-06B(01-17).fm 2 ページ 2006年3月15日 水曜日 午前10時49分
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