Mazda CX-9 Grand Touring 2009 Manual page 918

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
MAF sensor terminal C
(wiring harness-side)
and PCM terminal 1AJ
(wiring harness-side)
6
MAF sensor terminal D
(wiring harness-side)
and PCM terminal 1AN
(wiring harness-side)
Are there continuity?
INSPECT MAF SENSOR
SIGNAL CIRCUIT FOR SHORT
TO GROUND
Turn the ignition switch off.
Disconnect the MAF/IAT
sensor and PCM connector.
7
Inspect continuity between
following circuits:
MAF sensor connector
terminal D and body
ground
Are there continuity?
INSPECT MAF SENSOR
GROUND CIRCUIT FOR OPEN
CIRCUIT
8
Inspect continuity between
MAF sensor terminal B and
body ground.
Are there continuity?
INSPECT THE MAF SENSOR
Inspect the MAF sensor
9
(See MASS AIR FLOW
(MAF) SENSOR
INSPECTION [MZI-3.7] .)
Are there any malfunction?
VERIFY TROUBLESHOOTING
OF DTC P0102 HAS BEEN
COMPLETED
Verify that all disconnected
2008 Mazda CX-9 Grand Touring
No Repair or replace suspected part, then go to Step 10.
Yes Repair or replace suspected part, then go to the Step 10.
No
Yes Go to the next step.
No Repair or replace suspected part, then go to Step 10.
Replace the MAF/IAT sensor, then go to the next step.
(See MASS AIR FLOW (MAF)/INTAKE AIR
Yes
TEMPERATURE (IAT) SENSOR
REMOVAL/INSTALLATION [MZI-3.7] .)
No
Replace PCM, then go to the next step. (See PCM
Yes
REMOVAL/INSTALLATION [MZI-3.7] .)
Go to the next step.
Go to the next step.