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Mazda CX-9 Grand Touring. Manual - part 328

started.



DTC P1260 is displayed.

Either or other condition appears:

Go to the next step.

Is the coil antenna connector securely
connected to the coil antenna?

Yes

Go to the next step.

Connect the coil antenna connector

securely.

Return to Step 1.

Does the security light flush?

Yes

Go to the next step.

Inspect and repair or replace the following:



Wiring harnesses and connectors

from keyless control module terminal

3W and instrument cluster terminal



Wiring harness and connectors from

keyless control module terminal 3X

and instrument cluster terminal 1X



Instrument cluster

(See INSTRUMENT CLUSTER

INSPECTION .)

Connect the M-MDS to the DLC-2 and
retrieve DTC for PCM, instrument cluster
and keyless control module.
DTC
PCM: B1342, U0073, U0155
Instrument cluster: B1213, B1600,
B1601, B1602, B1681, B2103, B2139,
B2431, U0100, U0214
Keyless control module (with advanced
keyless entry system): B1681, B2103,
B1213

Yes

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

Go to the next step.

Inspect for the following wiring harnesses
and connectors:
With advanced keyless entry system



Between coil terminal A and
keyless control module terminal 3V



Between coil terminal B and
keyless control module terminal 3U

Without advanced keyless entry system



Between coil terminal A and
instrument cluster terminal 1E

Yes

Repair or replace suspected wiring harness
and connector.

Go to the next step, (with advanced keyless

entry system)

Go to the Step 8. (without advanced keyless

2008 Mazda CX-9 Grand Touring

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:10:04 AM

Page 18



Between coil terminal B and
instrument cluster terminal 1G

Is there any malfunction?

entry system)

Inspect the following wiring harnesses
and connectors for an open or short
circuit:



Between keyless control module
terminal 3W and instrument cluster
terminal 1W



Between keyless control module
terminal 3X and instrument cluster
terminal 1X

Is there any malfunction?

Yes

Repair or replace wiring harness and
connectors.

Go to the next step.

Inspect for the following wiring harnesses
and connectors:



Between PCM terminal 1BG and
instrument cluster terminal 1W



Between PCM terminal 1BL and
instrument cluster terminal 1X

Is there any malfunction?

Yes

Repair or replace suspected wiring harness
and connector.

Go to the next step.

Inspect the following:



Battery connection



Battery condition

(See: 01-17-2 BATTERY
INSPECTION [MZI-3.7])



Fuses

(See: 01-03-12 NO.1 MELTING
OF MAIN OR OTHER FUSES
[MZI-3.7])



Transmission in Park or Neutral
(AT)

Yes

Go to the next step.

Service if necessary.

Repeat Step 9.

2008 Mazda CX-9 Grand Touring

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:10:04 AM

Page 19

Are all items normal?

Connect the M-MDS to the DLC-2.
Turn ignition switch to the ON position.
(Engine off)
Access TR PID.
Is TR PID indicated P/N when selecting P
or N position

Yes

Go to the next step.

Inspect TR switch is adjusted properly,

inspect for open or short circuit between TR

switch and TCM.

Repair or replace components as required.

Then go to the next step.

Is clicking sound heard from starter relay
when the ignition switch is turned to
START?

Yes

Go to step 14.

Go to the next step.

Inspect the starter relay and following
harnesses.
Between starter relay and PCM
Between starter relay and ignition switch
(See: 09-21-6 RELAY INSPECTION)
Are they normal?

Yes

Go to the next step.

Repair or replace components as required.

Then go to step 11.

Inspect IGNITION switch and related
harnesses.
(See: 09-21-2 IGNITION SWITCH
INSPECTION)
Are they normal?

Yes

Go to the next step.

Repair or replace components as required.

Then go to step 11.

Inspect the following harnesses.
Between starter relay and Battery
Between starter relay and Starter
Are they normal?

Yes

Go to the next step.

Repair or replace as required.

Then go to next step.

Inspect the starting system.
(See: 01-19-2 STARTER INSPECTION
[MZI-3.7])
Is starting system normal?

Yes

Go to the next step.

Repair or replace components as required.

Inspect for seized/hydro locked engine or
flywheel.
Is ENGINE seized or hydro locked?

Yes

Repair or replace components as required.

Go to the next step.

Connect the M-MDS to the DLC-2.
Retrieve any continuous memory DTCs.
Are there any continuous memory DTCs

Yes

DTC is displayed:
Go to appropriate DTC inspection.
(See DTC TABLE [MZI-3.7] .)
Communication error message is
displayed:
Inspect for the following:



Open circuit in wiring harness
between main relay and PCM
terminal 1BO or 1BJ



Open circuit in wiring harness
between main relay terminal E and
PCM terminal 1BM

2008 Mazda CX-9 Grand Touring

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:10:04 AM

Page 20

NO.4 HARD TO START/LONG CRANK/ERRATIC START/ERRATIC CRANK
[MZI-3.7]

NO.4 HARD TO START/LONG CRANK/ERRATIC START/ERRATIC CRANK (MZI-3.7)
DETECTION CONDITIONS AND POSSIBLE CAUSES

displayed?



Main relay is stuck open.



Open or short circuit in wiring
harness between the DLC-2 and PCM
terminals 1BL or 1BG



Open or poor GND circuit (PCM
terminal 1D, 1J, 1BP, 1BK)



Poor connection of vehicle body
GND

No DTC is displayed:

Go to the next step.

Retrieve any KOEO DTCs using M-
MDS.
Are there DTCs displayed during KOEO
inspection?

Yes

DTC is displayed:
Go to appropriate DTC inspection.
(See DTC TABLE [MZI-3.7] .)

No DTC is displayed:

Go to the next step.



Verify test results.



If normal, return to diagnostic index to service any additional symptoms.

(See SYMPTOM DIAGNOSTIC INDEX [MZI-3.7].)



If malfunction remains, inspect related Service Bulletins and/or On-line Repair
Information and perform repair or diagnosis.



If vehicle is repaired, troubleshooting completed.



If vehicle is not repaired or additional diagnostic information is not available,
replace the PCM.

(See PCM REMOVAL/INSTALLATION [MZI-3.7] .)

HARD TO START/LONG CRANK/ERRATIC START/ERRATIC CRANK

DESCRIPTION



The starter cranks engine at normal speed but engine requires excessive cranking
time before starting.



The battery is in normal condition.



Erratic signal to ignition coil



Vacuum leakage



Poor fuel quality



Starting system malfunction

2008 Mazda CX-9 Grand Touring

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:10:04 AM

Page 21

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