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?
z
Main relay is stuck open.
z
Open or short circuit in wiring
harness between the DLC-2 and PCM
terminals 1BL or 1BG
z
Open or poor GND circuit (PCM
terminal 1D, 1J, 1BP, 1BK)
z
Poor connection of vehicle body
GND
No
No DTC is displayed:
Go to the next step.
18
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
No DTC is displayed:
Go to the next step.
19
z
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.
z
If vehicle is repaired, troubleshooting completed.
z
If vehicle is not repaired or additional diagnostic information is not available,
replace the PCM.
(See
PCM REMOVAL/INSTALLATION [MZI-3.7]
.)
4
HARD TO START/LONG CRANK/ERRATIC START/ERRATIC CRANK
DESCRIPTION
z
The starter cranks engine at normal speed but engine requires excessive cranking
time before starting.
z
The battery is in normal condition.
z
Erratic signal to ignition coil
z
Vacuum leakage
z
Poor fuel quality
z
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
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© 2005 Mitchell Repair Information Company, LLC.
