Nissan Juke Service and Repair Manual : P0725 engine speed
Description
The engine speed signal is transmitted from ECM to TCM by CAN communication line.
DTC Logic
DTC DETECTION LOGI
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch OFF and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
1.CHECK DTC DETECTION
With CONSULT-III
1. Turn ignition switch ON.
2. Select “DATA MONITOR” in “TRANSMISSION”.
3. Start engine and maintain the following conditions for at least 10 consecutive seconds.
PRI SPEED SEN : More than 1000 rpm
Is “P0725” detected? YES >> Go to TM-212, "Diagnosis Procedure".
NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
Diagnosis Procedure
1. CHECK DTC WITH ECM
With CONSULT-III
1. Turn ignition switch ON.
2. Select “SELF-DIAG RESULTS” in “ENGINE”.
Is the inspection result normal? YES >> GO TO 2.
NO >> Check the DTC detected item. Refer to EC-83, "CONSULT-III Function".
2. CHECK DTC WITH TCM
With CONSULT-III
Select “SELF-DIAG RESULTS” in “TRANSMISSION”.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the DTC detected item. Refer to TM-159, "CONSULT-III Function (TRANSMISSION)".
3. CHECK INPUT SIGNALS
With CONSULT-III
1. Start engine.
2. Select “DATA MONITOR” in “TRANSMISSION”.
3. While monitoring “ENG SPEED SIG”, check for engine speed change corresponding to “ACC PEDAL OPEN”.
Is the inspection result normal? YES >> GO TO 4.
NO >> Check ignition signal circuit. Refer to EC-414, "Component Function Check".
4. CHECK TCM
Check TCM input/output signals. Refer to TM-164, "Reference Value".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".
NO >> Replace the TCM. Refer to TM-280, "Removal and Installation".
P0720 output speed sensor
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn
ignit ...
P0730 incorrect gear ratio
Description
TCM selects the gear ratio using the engine load (throttle position), the
primary pulley revolution speed, and
the secondary pulley revolution speed as input signal. Then it changes th ...
Other materials:
P1777 step motor
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn
ignition switch
OFF and wait at least 10 seconds before performing the next test.
After the repair, p ...
Spark plug
Removal and Installation
REMOVAL
1. Remove ignition coil. Refer to EM-178, "Exploded View".
2. Remove spark plug with a spark plug wrench (commercial service
tool).
a : 14 mm (0.55 in)
CAUTION:
Never drop or shock spark plug.
INSTALLATION
Install in the reverse order of removal ...
B2612 steering status
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2612 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
BCS-83, "DTC Logic".
• If DTC B2612 is displayed with DTC U1010, first perform the trouble diagnosis
for DTC U1010. Refer to
BCS-84, "D ...