Nissan Juke Service and Repair Manual : CAN communication circuit
Description
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
Component Function Check
1.CHECK CAN COMMUNICATION CIRCUIT
1. Turn ignition switch ON.
2. Check DTC.
Is DTC detected? YES >> EC-1014, "Diagnosis Procedure" NO >> INSPECTION END.
Diagnosis Procedure
Go to LAN-17, "Trouble Diagnosis Flow Chart".
ASCD steering switch
Component Function Check 1.CHECK ASCD STEERING SWITCH FUNCTION 1. Turn ignition switch ON. 2. Check the voltage between ECM harness connector terminals under the following conditions. Is the i ...Cooling fan
Diagnosis Procedure 1.CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E38. Refer to Ground Inspection in GI-44, "Circuit Inspection". Is the inspectio ...Other materials:
Sample/Wiring Diagram -Example-
Each section includes wiring diagrams.
Description
SWITCH POSITIONS
Switches are shown in wiring diagrams as if the vehicle is in the “normal”
condition.
A vehicle is in the “normal” condition when:
• ignition switch is “OFF”,
• doors, hood and trunk lid/back door are closed,
• peda ...
P0846 transmission fluid pressure SEN/SW B
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Be careful of the driving speed.
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition
switch OFF and wait for at
least 10 seconds, then perform the next test.
&g ...
Diagnosis Procedure
WARNING:
• Before servicing, turn ignition switch OFF, disconnect battery negative
terminal and wait at least 3
minutes. (To discharge backup capacitor.)
• Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection res ...