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Subaru Legacy Service Manual: Dtc p05a6 active grille air shutter "a" supply voltage circuit/open

Subaru Legacy Service Manual / Engine (diagnostics)(h4do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p05a6 active grille air shutter "a" supply voltage circuit/open

DTC DETECTING CONDITION:

Immediately at fault recognition

CAUTION:

After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mode > PROCEDURE.

WIRING DIAGRAM:

Active grille shutter Active Grille Shutter

STEPCHECKYESNO

1.CHECK DTC.

1) Turn the ignition switch to OFF, and wait for approx. 30 seconds.

2) Turn the ignition switch to ON.

3) Check for DTC. Read Diagnostic Trouble Code (DTC)

Is P05A6 displayed in «Present fault»-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P05A6 ACTIVE GRILLE AIR SHUTTER "A" SUPPLY VOLTAGE CIRCUIT/OPEN

Even if DTC is detected, the circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis again.

NOTE:

In this case, a temporary drop of battery voltage, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.

2.CHECK BATTERY.

Check the battery. Battery

Is the battery OK-

Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P05A6 ACTIVE GRILLE AIR SHUTTER "A" SUPPLY VOLTAGE CIRCUIT/OPEN

Charge or replace the battery. Battery

3.CHECK ACTIVE GRILLE SHUTTER POWER SUPPLY.

1) Turn the ignition switch to OFF.

2) Disconnect the battery. NOTE

3) Disconnect the connector from the active grille shutter.

4) Measure the voltage between active grille shutter connector and chassis ground.

Connector & terminal

(B63) No. 2 (+) — Chassis ground (−):

Is the voltage 9 V or more-

Replace the active grille shutter. Active Grille Shutter

Repair the power supply circuit.

1. OUTLINE OF DIAGNOSIS

Detect the abnormal voltage of active grille shutter power supply.

Judge as NG if out of specification.

2. COMPONENT DESCRIPTION

(1)

Active grille shutter

(3)

Resistance value (k-)

(4)

Ambient air temperature (°C (°F))

(2)

Ambient sensor

3. EXECUTION CONDITION

Secondary Parameters

Execution condition

Battery voltage

≥ 10.9 V

4. GENERAL DRIVING CYCLE

Always perform the diagnosis continuously.

5. DIAGNOSTIC METHOD

Judge as NG when the following conditions are established.

Judgment Value

Malfunction Criteria

Threshold Value

Malfunction judgment flag

1

Time Needed for Diagnosis: 2500 ms

Malfunction Indicator Light Illumination: Does not illuminate.

Dtc p05c0 active grille air shutter module "a" over temperature
DTC DETECTING CONDITION:Immediately at fault recognitionCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mod ...

Dtc p05a2 active grille air shutter "a" control circuit/open
DTC DETECTING CONDITION:Immediately at fault recognitionCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION, and Inspection Mode Inspection Mod ...

Other materials:

Disassembly
1. Disconnect the terminal M from the magnet switch assembly.2. Remove the magnet switch assembly from the starter housing assembly.3. Remove screws (A) of the brush holder assembly, and through bolts (B) on both sides, and remove the starter cover assembly.4. Remove the brush holder assembly from t ...

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