Nissan Altima 2007-2012 Service Manual: P0605 ECM
Description
The ECM consists of a microcomputer and connectors for signal input and output and for power supply. The ECM controls the engine.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A
1. Turn ignition switch ON.
2. Check 1st trip DTC.
Is 1st trip DTC detected? YES >> Go to EC-1377, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B
1. Turn ignition switch ON and wait at least 1 second.
2. Turn ignition switch OFF, wait at least 10 seconds, and then turn it ON.
3. Check 1st trip DTC.
Is 1st trip DTC detected? YES >> Go to EC-1377, "Diagnosis Procedure".
NO >> GO TO 4.
4.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C
1. Turn ignition switch ON and wait at least 1 second.
2. Turn ignition switch OFF, wait at least 10 seconds, and then turn it ON.
3. Repeat step 2 for 32 times.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-1377, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.INSPECTION START
1. Turn ignition switch ON.
2. Erase DTC.
3. Perform DTC CONFIRMATION PROCEDURE.
See EC-1376, "DTC Logic".
Is the 1st trip DTC P0605 displayed again? YES >> GO TO 2.
NO >> INSPECTION END
2.REPLACE ECM
1. Replace ECM.
2. Go to EC-1051, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".
>> INSPECTION END
P0603 ECM Power supply
Description
Battery voltage is supplied to the ECM even when the ignition switch
is turned OFF for the ECM memory function of the DTC memory, the
air-fuel ratio feedback compensation value memory, ...
P0607 ECM
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellen ...
Other materials:
P0327, P0328, P0332, P0333 KS
Description
The knock sensor is attached to the cylinder block. It senses engine knocking
using a piezoelectric element. A
knocking vibration from the cylinder block is sensed as vibrational pressure.
This pressure is converted into a
voltage signal and sent to the ECM.
DTC Logic
DTC DETECT ...
Audio antenna (sedan)
Location of Antenna
1. In-line connectors M87, M501
2. Audio unit harness
3. Audio unit
4. Satellite antenna
5. Audio antenna feeder
6. Satellite radio antenna feeder
7. Window Antenna
8. Antenna amp.
9. Satellite radio tuner
Window Antenna Repair
ELEMENT CHECK
1. Attach probe circuit ...
Evap leak check
Inspection
CAUTION:
• Never use compressed air or a high pressure pump.
• Never exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP system.
NOTE:
• Do not start engine.
• Improper installation of EVAP service port adapter (commercial service tool)
to the EVAP service po ...