Nissan Juke Service and Repair Manual : P1726 throttle control signal
Description
Electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throttle position sensor etc. The actuator sends a signal to the ECM, and ECM sends the signal to TCM with CAN communication.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
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 “Self Diagnostic Results” in “TRANSMISSION”.
Is “P1726” detected? YES >> Go to TM-246, "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.
2.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 TCM.
P1723 speed sensor
Description The secondary speed sensor detects the revolution of parking gear and generates a pulse signal. The pulse signal is sent to the TCM, which converts it into vehicle speed. The prymar ...P1740 select solenoid
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 ...Other materials:
Refrigerant
Description
CONNECTION OF SERVICE TOOLS AND EQUIPMENT
1. Shut-off valve
2. A/C service valve
3. Recovery/recycling/recharging
equipment
4. Vacuum pump
5. Manifold gauge set
6. Refrigerant container (HFC-134a)
7. Weight scale
A. Preferred (best) method
B. Alternative method
C. For ...
Diagnosis system (combination meter)
Consult-III Function
CONSULT-III APPLICATION ITEMS
CONSULT-III can perform the following diagnosis modes via CAN communication
and the combination meter.
SELF DIAG RESULT
Refer to MWI-36, "DTC Index".
DATA MONITOR
Display Item List
• *1: CVT models
• *2: M/T models
• ...
P0420 three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage c ...