Nissan Primera P11. Instruction — part 16
Diagnostic Procedure
NCAT0222
1
CHECK PRIMARY SPEED SENSOR
Refer to “Component Inspection” AT-65.
OK or NG
OK (With CONSULT-II)
©
GO TO 2.
OK (Without CONSULT-II)
©
GO TO 3.
NG
©
Repair or replace primary speed sensor.
2
CHECK INPUT SIGNAL (With CONSULT-II)
With CONSULT-II
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “CVT” with CONSULT-II.
3. Read out the value of “I/P PULLY SPD” while driving.
Check the value changes according to driving speed. (Almost same value as engine speed)
OK or NG
OK
©
GO TO 4.
NG
©
Check the following items:
I
Harness for short or open between TCM, ECM and primary speed sensor (Main har-
ness)
I
Ground circuit for ECM
Refer to EC section (“TROUBLE DIAGNOSIS FOR POWER SUPPLY”).
3
CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure, AT-62.
OK or NG
OK
©
INSPECTION END
NG
©
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
Component Inspection
NCAT0223
REVOLUTION SENSOR
NCAT0223S01
1.
Jacking up the vehicle.
2.
Check pulse by using the pulse measurement function of
CONSULT-II when front wheel rotating.
I
CONSULT-II cable connected to data link connector.
At front wheel rotating (L position, 20 km/h): Approx. 900 Hz
NAT314
CONSULT-II
To data link
connector
DDL
PULSE
DTC P0715 PRIMARY SPEED SENSOR
Diagnostic Procedure
AT-61
Description
NCAT0038
The vehicle speed sensor CVT secondary speed sensor detects
the revolution of the idler gear parking pawl lock gear and emits a
pulse signal. The pulse signal is sent to the TCM which converts it
into vehicle speed.
TCM TERMINALS AND REFERENCE VALUE
NCAT0038S01
Remarks: Specification data are reference values.
Terminal
No.
Wire color
Item
Condition
Judgement
standard
29
G/R
Secondary speed
sensor
When driving (D position, 20 km/h), the pulse measurement by
using the pulse measurement function of CONSULT-II.
I
CONSULT-II cable connected to data link connector.
I
This inspection cannot be measured by circuit tester.
Approx. 600 Hz
42
B
Throttle position
sensor
(Ground)
—
—
ON BOARD DIAGNOSIS LOGIC
NCAT0038S02
Diagnostic trouble code
Malfunction is detected when ...
Check items (Possible cause)
: VEH SPD SEN/CIR AT
TCM does not receive the proper voltage
signal from the sensor.
I
Harness or connectors
(The sensor circuit is open or shorted.)
I
Secondary speed sensor
: P0720
: MI Code No. 0720
DIAGNOSTIC TROUBLE CODE (DTC) CONFIRMATION
PROCEDURE
NCAT0038S03
CAUTION:
I
Always drive vehicle at a safe speed.
I
Be careful not to rev engine into the red zone on the
tachometer.
NOTE:
If “DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCE-
DURE” has been previously conducted, always turn ignition
switch “OFF” and wait at least 5 seconds before conducting
the next test.
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
SAT651J
DTC P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
Description
AT-62
With CONSULT-II
1)
Turn ignition switch “ON” and select “DATA MONITOR” mode
for “ENGINE” with CONSULT-II.
2)
Start engine and maintain the following conditions for at least
12 consecutive seconds.
THRTL POS SEN: More than 1.3V
Selector lever: D position
Driving location: Driving the vehicle uphill (increased
engine load) will help maintain the driving conditions
required for this test.
If the check result is NG, go to “DIAGNOSTIC PROCEDURE”,
AT-65.
With GST
Follow the procedure “With CONSULT-II”.
SAT971J
SAT654J
DTC P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
Description (Cont’d)
AT-63
Wiring Diagram — AT — VSSA/T
NCAT0201
YAT205
SECONDARY
SPEED
SENSOR
: Detectable line for DTC
: Non-detectable line for DTC
TCM
(TRANSMISSION
CONTROL
MODULE)
ECM
DTC P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
Wiring Diagram — AT — VSSA/T
AT-64
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