Nissan Altima HL32 Hybrid. Manual — part 334
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EC-320
< COMPONENT DIAGNOSIS >
[QR25DE]
P0607 ECM
P0607 ECM
Description
INFOID:0000000004362529
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
DTC Logic
INFOID:0000000004211558
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 3 seconds.
2. Check DTC.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000004211559
1.
INSPECTION START
With CONSULT-III
1. Turn ignition switch ON.
2. Select “SELF-DIAG RESULTS” mode with CONSULT-III.
3. Touch “ERASE”.
4. Perform DTC CONFIRMATION PROCEDURE.
5. Check DTC.
With GST
1. Turn ignition switch ON.
2. Select “Service $04” with GST.
3. Perform DTC CONFIRMATION PROCEDURE.
4. Check DTC.
Is the DTC P0607 displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE ECM
1. Replace ECM.
2. Go to
EC-14, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Require-
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0607
CAN controller
When detecting error during the initial diagno-
sis of CAN controller of ECM.
• ECM
HEV SYSTEM CAN controller
When detecting error during the initial diagno-
sis of HEV SYSTEM CAN controller of ECM.
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P0643 SENSOR POWER SUPPLY
EC-321
< COMPONENT DIAGNOSIS >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0643 SENSOR POWER SUPPLY
DTC Logic
INFOID:0000000004211560
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing 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.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8V at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON (READY).
2. Depress the accelerator pedal to start engine, then keep engine running for at least 1 second.
3. Check DTC.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000004211561
1.
CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E9. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
CHECK SENSOR POWER SUPPLY CIRCUITS
Check harness for short to power and short to ground, between the following terminals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair short to ground or short to power in harness or connectors.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
P0643
Sensor power supply
circuit short
ECM detects a voltage of power source for
sensor is excessively low or high.
• Harness or connectors
(TP sensor circuit is shorted.)
[Camshaft position sensor (PHASE) circuit is
shorted.]
• Throttle position sensor
• Camshaft position sensor (PHASE)
ECM
Sensor
Connector
Terminal
Name
Connector
Terminal
F13
47
Electric throttle control actuator
F57
1
59
CMP sensor (PHASE)
F55
1
![](/vehicles/gon/sttello/nita/bralitha.png)
EC-322
< COMPONENT DIAGNOSIS >
[QR25DE]
P0643 SENSOR POWER SUPPLY
3.
CHECK CAMSHAFT POSITION SENSOR (PHASE)
EC-257, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace malfunctioning component.
4.
CHECK TP SENSOR
EC-171, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace electric throttle control actuator.
2. Go to
EC-322, "Special Repair Requirement"
.
>> INSPECTION END
6.
CHECK INTERMITTENT INCIDENT
GI-42, "Intermittent Incident"
>> INSPECTION END
Special Repair Requirement
INFOID:0000000004211562
1.
PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
EC-15, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement"
>> GO TO 2.
2.
PERFORM IDLE AIR VOLUME LEARNING
EC-16, "IDLE AIR VOLUME LEARNING : Special Repair Requirement"
>> END
P0AC4 HV MIL ON REQUEST
EC-323
< COMPONENT DIAGNOSIS >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0AC4 HV MIL ON REQUEST
Description
INFOID:0000000004211563
This DTC is displayed when a malfunction is detected by HV ECU.
Check DTC for HV ECU and perform the trouble diagnosis. Refer to
After repair work, erase DTC in ECM.
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