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:
B2622 inside antenna
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2. Select “INSIDE ANT DIAGNOSIS” in “WORK SUPPORT” mode.
3. Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “WORK SUPPORT” of
“INTELL ...
Sealant or/and Lubricant
HFC-134a (R-134a) Service Tool and Equipment
• Never mix HFC-134a (R-134a) refrigerant and/or its specified lubricant with
CFC-12 (R-12) refrigerant and/
or its lubricant.
• Separate and non-interchangeable service equipment must be used for handling
each type of refrigerant/
lubricant.
• R ...
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
NOTE:
• Before removing and installing any control units, first turn the ignition
switch to the LOCK position, then disconnect
both battery cables.
• After finishing work, confirm that all control unit connectors are connected
properly, then re-connect both
battery cables.
• Always use CONS ...