Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the steering angle sensor. Refer to BRC-83, "Wiring Diagram".
HVAC branch line circuit
A-bag branch line circuitAir conditioner system refrigerant and oil recommendations
The air conditioner system in your NISSAN
vehicle must be charged with the refrigerant
HFC-134a (R-134a) and Genuine
NISSAN A/C System Oil Type ND-OIL8 or
the exact equivalents.
CAUTION
The use of any other refrigerant or oil may
cause severe damage to the air conditioning
system and may req ...
Diagnosis sensor unit
Removal and Installation
WARNING:
Before servicing, turn ignition switch OFF, disconnect both
battery terminals and wait at least 3 minutes.
Before disconnecting the air bag sensor unit harness
connector, be sure to disconnect the harness connector of each air bag
module and pre-tens ...
U1243 display unit
DTC Logic
Diagnosis Procedure
1.CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT
Check display unit power supply and ground circuit
2.CHECK CONTINUITY OF COMMUNICATION CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M142 and AV control unit
connector M163.
...