Mazda CX-9 Grand Touring 2009 Manual page 1147

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
INSPECT GENERATOR CIRCUIT FOR
OPEN CIRCUIT
Inspect for continuity between
8
generator terminal LI (wiring harness-
side) and PCM terminal 2AG (wiring
harness-side)
Is there continuity?
INSPECT BATTERY POSITIVE
TERMINAL FOR POOR
INSTALLATION
9
Turn the engine switch off.
Inspect the battery positive terminal
for looseness.
Is there any malfunction?
INSPECT GENERATOR CIRCUIT FOR
OPEN CIRCUIT
Inspect continuity between generator
10
terminal B (wiring harness-side) and
battery positive terminal (wiring
harness-side).
Is there continuity?
INSPECT GENERATOR
Inspect the generator. (See
11
GENERATOR INSPECTION
[MZI-3.7] .)
Is there any malfunction?
VERIFY TROUBLESHOOTING OF
DTC P0620 HAS BEEN COMPLETED
Verify that all disconnected connectors
reconnected.
Clear the DTC from the PCM memory
using the M-MDS.
12
Perform the "KOEO or KOER self-
test" using the M-MDS. (See
KOEO/KOER SELF TEST [MZI-
3.7].)
Is the PENDING CODE for the DTC
present?
VERIFY AFTER REPAIR PROCEDURE
2008 Mazda CX-9 Grand Touring
Yes Go to the next step.
Repair or replace suspected part, then go to Step
No
Connect the battery positive terminal correctly,
Yes
then go to Step 12.
No
Yes Go to the next step.
Repair or replace suspected part, then go to Step
No
Replace the generator, then go to the next step.
Yes (See GENERATOR
REMOVAL/INSTALLATION [MZI-3.7] .)
No
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
No
12.
Go to the next step.
12.
Go to the next step.
Go to the next step.