Mazda CX-9 Grand Touring 2009 Manual page 1189

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Clear the DTC from the PCM memory
using the M-MDS.
Perform the KOEO or KOER self-test
7
using the M-MDS. (See KOEO/KOER
SELF TEST [MZI-3.7].)
Is the PENDING CODE for the DTC
present?
VERIFY AFTER REPAIR PROCEDURE
Perform "AFTER REPAIR
8
PROCEDURE". (See AFTER
REPAIR PROCEDURE [MZI-3.7].)
Are any DTCs present?
DTC P1289 [MZI-3.7]
DTC P1289 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
DTC P1289
DETECTION
CONDITION
POSSIBLE CAUSE
2008 Mazda CX-9 Grand Touring
CHT sensor circuit high input
Indicates a CHT sensor circuit open.
Open circuit in wiring harness between CHT sensor terminal A and PCM
terminal 2AL
Open circuit in wiring harness between CHT sensor terminal B and PCM
terminal 2AN
Short to power supply in wiring harness between CHT sensor terminal B and
PCM terminal 2AN
CHT sensor malfunction
Connector or terminal malfunction
[MZI-3.7] .)
No Go to the next step.
Go to the applicable DTC inspection. (See
Yes
DTC TABLE [MZI-3.7].)
No Troubleshooting completed.