Workshop Manual

6E–199
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
DTC P0152 – HO2S Circuit High Voltage Bank 2 Sensor 1 (Cont'd)
Step NoYesValue(s)Action
5 Repair short to voltage in signal circuit.
Is the action complete?
— Verify repair —
6 1. Ignition “ON”, engine“OFF”.
2. At Bank 2 HO2S 1 connector (PCM side) jumper
both the HO2S high and low signal circuits (PCM
side) to ground.
3. Using a Tech 2, monitor Bank 2 HO2S 1 voltage.
Is Bank 2 HO2S 1 voltage below the specified value?
10 mV Go to Step 7 Go to Step 8
7 1. Disconnect the jumpers to ground from Bank 2
HO2S 1 PCM-side connector.
2. With the HO2S 1 connector disconnected, monitor
Bank 2 HO2S 1 voltage.
Is the Bank 2 HO2S 1 voltage between the specified
values?
425-475 mV
Refer to
Diagnostic
Aids
Go to Step 8
8 Replace the PCM.
IMPORTANT: The replacement PCM must be
programmed. Refer to On-Vehicle Service in
Powertrain Control Module and Sensors for
procedures.
And also refer to latest Service Bulletin.
Check to see if the Latest software is released or not.
And then Down Load the LATEST PROGRAMMED
SOFTWARE to the replacement PCM.
Is the action complete?
— Verify repair —