Nissan March K13. Instruction — part 190
P0500 VSS
EC-221
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
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P0500 VSS
Description
INFOID:0000000005989304
The vehicle speed signal is sent to the combination meter from the “ABS actuator and electric unit (control
unit)” by CAN communication line. The combination meter then sends a signal to the ECM by CAN communi-
cation line.
DTC Logic
INFOID:0000000005989305
DTC DETECTION LOGIC
NOTE:
• If DTC P0500 is displayed with DTC U1001, first perform the trouble diagnosis for DTC U1001. Refer
.
• If DTC P0500 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer
.
DTC CONFIRMATION PROCEDURE
1.
INSPECTION START
Do you have CONSULT-III?
Do you have CONSULT-III?
YES
>> GO TO 2.
NO
>> GO TO 5.
2.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
>> GO TO 3.
3.
CHECK VEHICLE SPEED SENSOR FUNCTION
NOTE:
This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a
road test is expected to be easier, it is unnecessary to lift the vehicle.
With CONSULT-III
1.
Start engine.
2.
Read “VHCL SPEED SE” in “DATA MONITOR” mode with CONSULT-III. The vehicle speed on CON-
SULT-III should exceed 10 km/h (6 mph) when rotating wheels with suitable gear position.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Go to
4.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Select “DATA MONITOR” mode with CONSULT-III.
2.
Warm engine up to normal operating temperature.
3.
Maintain the following conditions for at least 60 consecutive seconds.
CAUTION:
Always drive vehicle at a safe speed.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0500
Vehicle speed sensor
The almost 0 km/h (0 MPH) of vehicle
speed signal is sent to ECM even
when vehicle is being driven.
• Harness or connectors
(The CAN communication line is open or shorted)
• Harness or connectors
(The vehicle speed signal circuit is open or shorted)
• Combination meter
• ABS actuator and electric unit (control unit)
EC-222
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
P0500 VSS
4.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
5.
PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to
EC-222, "Component Function Check"
Use component function check to check the overall function of the vehicle speed signal circuit. During this
check, a 1st trip DTC might not be confirmed.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Component Function Check
INFOID:0000000005989306
1.
PERFORM COMPONENT FUNCTION CHECK
With GST
1.
Lift up drive wheels.
2.
Start engine.
3.
Read vehicle speed signal in Service $01 with GST.
The vehicle speed signal on GST should be able to exceed 10 km/h (6 MPH) when rotating wheels with
suitable gear position.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Go to
Diagnosis Procedure
INFOID:0000000005989307
1.
CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Check DTC with “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”. Refer to
XX-XX, "*****"
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace.
2.
CHECK COMBINATION METER
Check combination meter. Refer to
MWI-18, "CONSULT-III Function"
.
>> Repair or replace malfunctioning part.
ENG SPEED
2,000 - 6,000 rpm
COOLAN TEMP/S
More than 70
°
C (158
°
F)
B/FUEL SCHDL
4.3 - 31.8 msec
Shift lever
Except Neutral position
PW/ST SIGNAL
OFF
P0603 ECM
EC-223
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
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P0603 ECM
Description
INFOID:0000000005989308
ECM has the memory function of the DTC memory, the air-fuel ratio
feedback compensation value memory, the Idle Air Volume Learning
value memory, etc. even when the ignition switch is turned OFF.
DTC Logic
INFOID:0000000005989309
DTC DETECTION LOGIC
*: This self-diagnosis is not for ECM power supply circuit, even though “ECM BACK UP/CIRCUIT” is displayed on CONSULT-III screen.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON wait at least 10 seconds.
2.
Turn ignition switch OFF and wait at least 5 minutes
3.
Turn ignition switch ON, wait at least 10 seconds.
4.
Repeat step 2 and 3 for five times.
5.
Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005989310
1.
INSPECTION START
1.
Erase DTC.
2.
Perform DTC CONFIRMATION PROCEDURE.
See
.
Is the 1st trip DTC P0603 displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE ECM
1.
Replace ECM. Refer to
.
2.
.
PBIA9222J
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P0603
*
Engine control module
ECM back-up RAM system does not function
properly.
• ECM
EC-224
< DTC/CIRCUIT DIAGNOSIS >
[HR12DE (TYPE 1)]
P0603 ECM
>> INSPECTION END
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