Nissan Altima (L32) 2007-2012 Service Manual: DTC B2205 Vehicle speed circuit
Description
The ABS actuator and electric unit (control unit) provides a vehicle speed signal to the combination meter via CAN communication lines.
DTC Logic
Diagnosis Procedure
Symptom: Displays “VEHICLE SPEED CIRC [B2205]” as a self-diagnosis result of combination meter.
1.CHECK COMBINATION METER INPUT SIGNAL
1. Start engine and select “METER/M&A” on CONSULT-III.
2. Using “SPEED METER” on “DATA MONITOR”, compare the value of DATA MONITOR with speedometer pointer of combination meter. Speedometer and DATA MONITOR indications should be close.
Is the inspection result normal? YES >> Perform ABS actuator and electric unit (control unit) self-diagnosis. Refer to BRC-12, "CONSULTIII Function (ABS)" (with ABS), BRC-76, "CONSULT-III Function (ABS)" (with TCS/ABS) or BRC- 149, "CONSULT-III Function (ABS)" (with VDC/TCS/ABS).
NO >> Replace combination meter. Refer to MWI-176, "Removal and Installation".
DTC U1000 can communication
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
Symptom: Displays “CAN COMM CIRC [U1000]” as a self-diagnosis result of
combination meter.
1.CHECK CAN COMMUNICATION
Select “SELF-DIA ...
Other materials:
Secondary speed sensor
Exploded View
1. CVT assembly
2. Shims
3. O-ring
4. Secondary Speed Sensor
Removal and Installation
Refer to the figure for removal and installation.
CAUTION:
• Do not reuse O-ring.
• Apply CVT fluid to O-ring.
• Insert the shims.
• After installation is complete, check ...
Intake valve timing control
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*: This signal is sent to the ECM through CAN communication line
SYSTEM DESCRIPTION
This mechanism hydraulically controls cam phases continuously with the fixed
operating angle of the intake
valve.
The ECM receives signals su ...
Inspection and adjustment
ECM RE-COMMUNICATING FUNCTION
Description
Performing following procedure can automatically perform re-communication of
ECM and BCM, but only when
the ECM has been replaced with a new one (*1).
*1: New one means an ECM which has never been energized on-board.
(In this step, initiali ...
