Mazda CX-9 Grand Touring 2007 Manual page 603

2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
(See KOEO/KOER SELF TEST
[MZI-3.5].)
Are any DTCs present?
11 VERIFY AFTER REPAIR
PROCEDURE
Perform the "AFTER REPAIR
PROCEDURE".
(See AFTER REPAIR
PROCEDURE [MZI-3.5].)
Are any DTCs present?
DTC P0505 [MZI-3.5]
DTC P0505 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
DTC P0505 Idle speed control system problem
DETECTION
CONDITION
POSSIBLE CAUSE
NOTE:
DIAGNOSTIC PROCEDURE
DTC P0505 (MZI-3.5) DIAGNOSTIC PROCEDURE
STEP
1 VERIFY FREEZE FRAME DATA
HAS BEEN RECORDED
2007 Mazda CX-9 Grand Touring
The PCM attempts to control engine speed during the KOER self-test. The
test fails when the desired engine speed could not be reached or controlled
during the self-test.
Failure mode effects management condition is present
Intake air restriction
Exhaust restriction
Sludged throttle body
Vacuum leakage
Throttle body malfunction
PCM malfunction
This DTC is informational only and it may be accompanied by other
DTCs. Diagnose other DTCs first. If other DTCs are not present inspect
the intake air system for air restrictions, vacuum leaks, and damage. If
no concerns are present, clear the DTC and repeat the self-test.
INSPECTION
No Go to the next step.
Yes Go to the applicable DTC inspection.
(See DTC TABLE [MZI-3.5].)
No Troubleshooting completed.
ACTION
Yes Go to the next step.
No Record FREEZE FRAME DATA on the