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Mazda CX-9 Grand Touring. Manual - part 296

DTC P115E [MZI-3.7]

DTC P115E (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES

DIAGNOSTIC PROCEDURE

DTC P115E (MZI-3.7) DIAGNOSTIC PROCEDURE



Verify that all disconnected
connectors reconnected.



Clear DTC from memory using M-
MDS.



Start engine.



Perform "KOEO/KOER self-
test" (See KOEO/KOER SELF
TEST [MZI-3.7].)



Is same DTC present?

Yes

Replace PCM, then go to the next step. (See
PCM REMOVAL/INSTALLATION [MZI-
3.7] .)

Go to the next step.

VERIFY AFTER REPAIR
PROCEDURE



Perform "AFTER REPAIR
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-
3.7].)



Are any DTC present?

Yes

Go to the applicable DTC inspection. (See DTC
TABLE [MZI-3.7].)

Troubleshooting completed.

DTC P115E

Throttle actuator control throttle body air flow trim at max limit

DETECTION

CONDITION



During idle, the PCM monitors the throttle angle and air flow. If the air flow is
determined to be less than expected, the PCM adjusts the throttle angle to
compensate. The air flow reduction is typically the result of sludge buildup
around the throttle plate. This DTC indicates the PCM has reached the maximum
allowed compensation and is no longer able to compensate for the build up.

POSSIBLE

CAUSE



Sludge around the throttle plate

STEP

INSPECTION

ACTION

VERIFY FREEZE FRAME DATA HAS
BEEN RECORDED



Has FREEZE FRAME DATA been
recorded?

Yes Go to the next step.

Record FREEZE FRAME DATA on the repair

order, then go to the next step.

VERIFY RELATED REPAIR
INFORMATION AVAILABILITY



Verify related Service Bulletins

Yes

Perform repair or diagnosis according to the
available Service Bulletins.

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:08:40 AM

Page 317

and/or on-line repair information
availability.



Is any related Service Bulletins
available?



If the vehicle is not repaired, go to the next
step.

Go to the next step.

INSPECT FOR OTHER POWERTRAIN
DTCs



Repair all other powertrain DTCs
before P115E.



Have all other powertrain DTCs been
diagnosed?

Yes Go to the next step.

Go to the appropriate DTC Troubleshooting.

INSPECT THROTTLE BODY



Remove the air duct from the throttle
valve body.



Check around the throttle plate for
sludge.



Is the throttle valve normal?

Yes Replace the throttle body. Then go to the Step 6.

Clean the throttle plate and throttle valve body.

Then go to the next step.

PERFORM KOER SELF-TEST



Verify that all disconnected
connectors are reconnected.



Clear the DTC from the PCM
memory using the M-MDS.



Perform the KOER self-test.



Retrieve DTCs using the M-MDS.



Is the PENDING CODE for this DTC
present?

Yes Replace the throttle body then go to the step.

Go to the next step.

VERIFY TROUBLESHOOTING OF
DTC P115E HAS BEEN COMPLETED



Verify that all disconnected
connectors reconnected.



Turn the ignition switch to the ON
position (Engine off).



Clear the DTC from the PCM
memory using the M-MDS.



Start the engine and run it at idle.



Retrieve DTCs using the M-MDS.



Is the PENDING CODE for this DTC
present?

Yes

Replace the PCM, then go to the next step. (See
PCM REMOVAL/INSTALLATION [MZI-
3.7] .)

Go to the next step.

VERIFY AFTER REPAIR
PROCEDURE

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:08:40 AM

Page 318

DTC P1260 [MZI-3.7]

DTC P1260 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES

DIAGNOSTIC PROCEDURE

DTC P1260 (MZI-3.7) DIAGNOSTIC PROCEDURE



Perform "AFTER REPAIR
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-
3.7].)



Are any DTC present?

Yes

Go to the applicable DTC inspection. (See DTC
TABLE [MZI-3.7].)

Troubleshooting completed.

DTC P1260

Theft detected, vehicle immobilized

DETECTION

CONDITION

Indicates that the RATS determined a theft condition existed and the engine is
disabled. This DTC is a good indicator to check the PATS for DTCs.

POSSIBLE CAUSE



Previous theft condition



Anti-theft system failure Theft indicator flashing rapidly or on solid when the
ignition switch is in the ON position.



Check the anti-theft system for DTCs.

STEP

INSPECTION

ACTION

VERIFY FREEZE FRAME DATA
HAS BEEN RECORDED



Has FREEZE FRAME DATA been
recorded?

Yes Go to the next step.

Record FREEZE FRAME DATA on the repair

order, then go to the next step.

VERIFY RELATED REPAIR
INFORMATION AVAILABILITY



Verify related Service Bulletins
and/or on-line repair information
availability.



Is any related Service Bulletins
available?

Yes

Perform repair or diagnosis according to the
available Service Bulletins.



If the vehicle is not repaired, go to the next
step.

Go to the next step.

INSPECT ALL OTHER PATS DTCs



Repair all other PATS DTCs before
P1260.

(See IMMOBILIZER SYSTEM
COMPONENT
REPLACEMENT/KEY
ADDITION AND CLEARING

Yes Go to the next step.

(See IMMOBILIZER SYSTEM

COMPONENT REPLACEMENT/KEY

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:08:40 AM

Page 319

[ADVANCED KEYLESS
SYSTEM] .)

(See IMMOBILIZER SYSTEM
COMPONENT
REPLACEMENT/KEY
ADDITION AND CLEARING
[KEYLESS ENTRY SYSTEM] .)



Have all other PATS DTCs been
diagnosed?

ADDITION AND CLEARING [ADVANCED

KEYLESS SYSTEM] .)

(See IMMOBILIZER SYSTEM

COMPONENT REPLACEMENT/KEY

ADDITION AND CLEARING [KEYLESS

ENTRY SYSTEM] .)

INSPECT FOR OTHER
POWERTRAIN DTCs



Repair all other powertrain DTCs
before P1260.



Have all other powertrain DTCs
been diagnosed?

Yes Go to the next step.

Go to the appropriate DTC troubleshooting.

ATTEMPT TO START ENGINE



Complete the keep alive memory.



Reset to clear DTC 1260.



This reset initializes the PCM to
communicate with the PATS.



Attempt to start the engine.



Does the engine start?

Yes

No system malfunctions exists at this time.
For intermittent No Starts or Start Stalls, verify
intermittent PATS faults.
Then go to the next step.

NOTE:



PATS cannot stall the engine after 1
second of operation. For intermittent
Stalls while driving, verify the M-MDS
tester to PCM communication during
concern. If a PCM communication error
occurs, possible causes are:



Loss of PWRS or grounds to the
PCM.



Malfunctioning PCM PWR relay.



Malfunctioning EEC PWR diode.



Repair if necessary and return the vehicle
to customer.

DTC P1260 is not the cause of the No Start. (See

QUICK DIAGNOSTIC CHART [MZI-3.7] .)

VERIFY TROUBLESHOOTING OF
DTC P1260 HAS BEEN COMPLETED



Verify that all disconnected
connectors are reconnected.



Turn the ignition switch to the ON
position (Engine off).

Yes

Replace the PCM, then go to the next step. (See
PCM REMOVAL/INSTALLATION [MZI-
3.7] .)

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:08:40 AM

Page 320

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