Mazda CX-9 Grand Touring 2009 Manual page 1248

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
P2121
E and H
E and B
E and D or F
E and C or G
P2126
H and E
H and B
11
H and D or F
H and C or G
P2131
Band E
B and H
B and D or F
B and C or G
Are there resistance greater than 10
kilohms?
VERIFY TROUBLESHOOTING OF DTC
P2121, P2126 or P2131 HAS BEEN
COMPLETED
Verify that all disconnected connectors
reconnected.
12
Clear the DTC from the PCM memory
using the M-MDS.
Perform the KOEO or KOER self-test
using the M-MDS.
(See KOEO/KOER SELF TEST [MZI-
3.7].)
2008 Mazda CX-9 Grand Touring
No
Yes
Repair or replace suspected part, then go to
the next step.
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION
[MZI-3.7] .)