Mazda 6 2002, Руководство по ремонту

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F–92
ON-BOARD DIAGNOSTIC
Diagnostic procedure
End Of Sie
DTC P0113
A6E397001084W15
STEP INSPECTION ACTION
1 PERFORM DTC CONFIRMATION PROCEDURE
•
Perform DTC CONFIRMATION PROCEDURE.
(See
F–66 DTC CONFIRMATION
PROCEDURE .)
•
Is same DTC present?
Yes Go to next step.
No Intermittent concern exists. Go to INTERMITTENT
CONCERN TROUBLESHOOTING procedure.
(See
F–227 INTERMITTENT CONCERN
TROUBLESHOOTING .)
2 INSPECT IAT SENSOR TERMINAL
•
Turn ignition key to OFF.
•
Disconnect MAF/IAT sensor connector.
•
Inspect for bent terminal of MAF/IAT sensor
terminals D and E (part-side).
•
Is there any malfunction?
Yes Repair or replace terminal, then go to Step 6.
No Go to next step.
3 CLASSIFY IAT SENSOR MALFUNCTION OR
HARNESS MALFUNCTION
•
Connect WDS or equivalent to DLC-2.
•
Access IAT PID.
•
Verify IAT value when disconnecting MAF/IAT
sensor connector.
•
Does IAT value change?
Yes Replace MAF/IAT sensor, then go to Step 6.
No Go to next step.
4 INSPECT IAT SIGNAL CIRCUIT FOR SHORT TO
GROUND
•
Turn ignition key to OFF.
•
Disconnect PCM connector.
•
Inspect continuity between MAF/IAT sensor
terminal D (harness-side) and body ground.
•
Is there any continuity?
Yes Repair or replace harness for short to ground, then go to
Step 6.
No Go to next step.
5 INSPECT IAT CIRCUITS FOR SHORT
•
Inspect continuity between MAF/IAT sensor
terminals D and E (harness-side).
•
Is there continuity?
Yes Repair or replace harness for short, then go to Step 6.
No Go to next step.
6 VERIFY TROUBLESHOOTING OF DTC P0112
COMPLETED
•
Make sure to reconnect all disconnected
connectors.
•
Clear DTC from PCM memory using WDS or
equivalent.
•
Perform KOEO/KOER self-test.
(See
F–66 KOEO/KOER SELF-TEST .)
•
Is same DTC present?
Yes Replace PCM, then go to next step.
(See F–43 PCM REMOVAL/INSTALLATION .)
No Go to next step.
7 VERIFY AFTER REPAIR PROCEDURE
•
Perform “After Repair Procedure”.
(See
F–66 AFTER REPAIR PROCEDURE .)
•
Is there any DTC present?
Yes Go to applicable DTC troubleshooting.
(See F–67 DTC TABLE .)
No Troubleshooting completed.
DTC P0113 IAT circuit high input
DETECTION
CONDITION
•
PCM monitors input voltage from IAT sensor If input voltage at PCM terminal 2E is above 4.9 V , PCM
determines that IAT sensor circuit has malfunction.
Diagnostic support note
•
This is a continuous monitor (CCM).
•
MIL illuminates if PCM detects the above malfunction condition during first drive cycle.
•
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
•
IAT sensor malfunction
•
Open circuit between MAF/IAT sensor terminal D and PCM terminal 2E
•
Short to power circuit between MAF/IAT sensor terminal D and PCM terminal 2E
•
Open circuit between MAF/IAT sensor terminal E and PCM terminal 2H
•
Poor connection at MAF/IAT sensor or PCM connector.
•
PCM malfunction