Mazda Mazda6 Workshop Manual Supplement page 353

STEP INSPECTION
14 Is any engine oil found inside turbocharger
compressor hosing?
15 Perform EGR system inspection.
Is EGR system okay?
16 Inspect glow system operation.
(See T–19 RELAY
Is glow system operation normal?
17 Visually inspect CKP sensor and teeth of pulse
wheel.
Are CKP sensor and teeth of pulse wheel okay?
18 Measure gap between CKP sensor and teeth of
pulse wheel.
Specification
1.5—2.5 mm {0.059—0.098 in}
Is gap within specification?
19 Visually inspect CMP sensor and teeth of pulse
wheel.
Are CMP sensor and teeth of pulse wheel okay?
20 Is engine compression correct?
(See B2–8 COMPRESSION
21 Inspect suction control valve.
(See F2–54 SUCTION CONTROL VALVE
INSPECTION)
Is suction control valve okay?
22 Verify test results.
• If okay, return to diagnostic index to service any additional symptoms.
• If malfunction remains, replace PCM. (See
End Of Sie
TROUBLESHOOTING
INSPECTION)
INSPECTION)
F2–64 PCM
RESULTS
Yes Wipe oil off of vehicle and install all removed parts in
Step 10. Then, go to next step.
No Turbocharger is okay.
Install all parts removed in Step10.
Then, go to next step.
Yes Go to next step.
No Repair or replace malfunctioning part according to
EGR system operation results.
Yes Go to next step.
No Repair or replace malfunctioning part according to
glow system operation results.
Yes Go to next step.
No Replace malfunctioning parts.
Yes Go to next step.
No Adjust CKP sensor position.
Yes Inspect following PIDs:
(See F2–65 PCM
• ECT
• IAT
• MAF
• MAP
• RPM
If PID value is not as specified, repair or replace
malfunctioning parts.
If PID value is okay, go to next step.
No Replace malfunctioning parts.
Yes Go to next step.
No Inspect for following:
• Damaged valve seat
• Worn valve stem and valve guide
• Worn or stuck piston ring
• Worn piston, piston ring or cylinder
• Improper valve timing
Service as necessary.
Yes Inspect following:
• Boost sensor
• MAF/IAT sensor
• IAT sensor No.2
• Fuel pressure sensor
• Accelerator position sensor
No Repair supply pump.
(See F2–54 SUPPLY PUMP
REMOVAL/INSTALLATION)
ACTION
INSPECTION)
INSPECTION)
F2–201
F2