Mazda 6 2002, Руководство по ремонту

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F–100
ON-BOARD DIAGNOSTIC
End Of Sie
DTC P0122
A6E397001084W19
15 INSPECT PCM TERMINALS FOR ELECTRICAL
CORROSION
•
Disconnect PCM connector.
•
Inspect for electrical corrosion on PCM and
PCM connector male and female terminals.
•
Is any electrical corrosion found?
Yes Repair terminal, then go to next step.
No Go to next step.
16 VERIFY TROUBLESHOOTING OF DTC P0121
COMPLETED
•
Make sure to reconnect all disconnected
connectors.
•
Start engine.
•
Clear DTC from PCM memory using WDS or
equivalent.
•
Access RPM, TP and MAF PIDs using WDS or
equivalent.
•
Verify TP PID is reading below 50% while MAF
PID is below 4.8 g/s {0.6 lb/min.} and RPM
PID is above 500 rpm .
•
Is pending code the same as DTC present?
Yes Replace PCM, then go to next step.
(See F–43 PCM REMOVAL/INSTALLATION .)
No Go to next step.
17 VERIFY AFTER REPAIR PROCEDURE
•
Is there any DTC present?
Yes Go to applicable DTC troubleshooting.
(See F–67 DTC TABLE .)
No Troubleshooting completed.
STEP INSPECTION ACTION
DTC P0122 TP circuit low input
DETECTION
CONDITION
•
If PCM detects TP sensor voltage at PCM terminal 2A is below 0.1 V while engine running, PCM
determines that TP circuit has malfunction.
Diagnostic support note
•
This is a continuous monitor (CCM).
•
MIL illuminates if PCM detects the above malfunction conditions in first drive cycles.
•
PENDING CODE is available if PCM detects the above malfunction condition.
•
FREEZE FRAME DATA is available.
•
DTC is stored in the PCM memory.
POSSIBLE
CAUSE
•
TP sensor malfunction
•
Connector or terminal malfunction
•
Open circuit between TP sensor terminal B and PCM terminal 2A
•
Short to ground circuit between TP sensor terminal B and PCM terminal 2A
•
Open circuit between TP sensor terminal C and PCM terminal 2K