Mazda CX-9 Grand Touring 2009 Manual page 1103

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
FOR OPEN CIRCUIT
Inspect continuity between the
following circuits:
Dual fan control module
Fan control module No.1
terminal 1B (wiring harness-side)
and PCM terminal 1AM (wiring
harness-side).
9 Fan control module No.2
terminal B (wiring harness-side)
and PCM terminal 1AM (wiring
harness-side).
Single fan control module
Fan control module terminal 1B
(wiring harness-side) and PCM
terminal 1AM (wiring harness-
side).
Are there continuity?
VERIFY TROUBLESHOOTING OF DTC
P0480 HAS BEEN COMPLETED
Verify that all disconnected connectors
reconnected.
Clear the DTC from the PCM memory
10
using the M-MDS.
Perform the "KOEO or KOER self-
test". (See KOEO/KOER SELF
TEST [MZI-3.7].)
Are any DTCs present?
VERIFY AFTER REPAIR PROCEDURE
Perform the "AFTER REPAIR
11
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P0505 [MZI-3.7]
DTC P0505 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
2008 Mazda CX-9 Grand Touring
Yes Go to the next step.
Repair or replace suspected part, then go to the
No
Replace the PCM, then go to the next step. (See
Yes PCM REMOVAL/INSTALLATION [MZI-
3.7] .)
No
Go to the applicable DTC inspection. (See
Yes
DTC TABLE [MZI-3.7].)
No
next step.
Go to the next step.
Troubleshooting completed.