DTC P0132, P0138, P0152, P0158 [MZI-3.7]
DTC P0128 (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES
z
Start the engine and run it at idle.
z
Retrieve DTCs using the M-MDS.
z
Is the PENDING CODE for this DTC
present?
No
Go to the next step.
6
VERIFY AFTER REPAIR PROCEDURE
z
Perform "AFTER REPAIR PROCEDURE".
(See
AFTER REPAIR PROCEDURE
[MZI-3.7]
.)
z
Are any DTC present?
Yes Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.7]
.)
No
Troubleshooting completed.
DTC P0132
P0132: Front HO2S (RH) circuit high voltage
DTC P0138
P0138: Rear HO2S (RH) circuit high voltage
DTC P0152
P0152: Front HO2S (LH) circuit high voltage
DTC P0158
P0158: Rear HO2S (LH) circuit high voltage
DETECTION CONDITION
z
The HO2S signals are monitored for an over voltage condition.
z
The code is set when the HO2S signal voltage is 1.5 V or more.
POSSIBLE CAUSE
z
Short to power supply in the wiring harness or HO2S
2008 Mazda CX-9 Grand Touring
2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:08:35 AM
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