DTC P0135, P0141, P0155, P0161 [MZI-3.5]
DTC P0135, P0141, P0155, P0161 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES
z
Disconnect all the PCM
connectors.
z
Visually inspect for:
{
Pushed out pins
{
Corrosion
z
Connect all the PCM connectors
and verify that they seat correctly.
z
Retrieve DTCs using the M-MDS.
z
Is the PENDING CODE for this
DTC present?
No
The system is correctly. Go to the next
step.
17
VERIFY TROUBLESHOOTING OF
MISFIRE DTC HAS BEEN
COMPLETED
z
Verify that all disconnected
connectors are reconnected.
z
Turn the ignition switch to the ON
position (Engine off).
z
Clear the DTC from the PCM
memory using the M-MDS.
z
Retrieve DTCs using the M-MDS.
z
Is the PENDING CODE for this
DTC present?
Yes
Replace PCM, then go to the next step.
(see
PCM
REMOVAL/INSTALLATION [MZI-
3.5]
.)
No
Go to the next step.
18
VERIFY AFTER REPAIR
PROCEDURE
z
Perform "AFTER REPAIR
PROCEDURE".
(See
AFTER REPAIR
PROCEDURE [MZI-3.5]
.)
z
Are any DTC present?
Yes
Go to the applicable DTC inspection.
(See
DTC TABLE [MZI-3.5]
.)
No
Troubleshooting completed.
DTC P0135
P0135: Front HO2S heater (RH) circuit
DTC P0141
P0141: Rear HO2S heater (RH) circuit
DTC P0155
P0155: Front HO2S heater (LH) circuit
DTC P0161
P0161: Rear HO2S heater (LH) circuit
z
During testing the heated oxygen sensor heaters are checked for open and short cir
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9
Microsoft
Sunday, November 15, 2009 9:26:30 AM
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