Nissan Rogue (T33) 2021-Present Service Manual: U10a0 Lost Communication (vcr)
DTC Description
DTC DETECTION LOGIC
| DTC |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| U10A0 | 00 |
Lost communication (Variable compression ratio) [Lost communication (Variable compression ratio)] |
Diagnosis condition | — |
| Signal (terminal) | CAN communication signal | |||
| Threshold | ECM cannot receive a communication signal sent from the VCR control module | |||
| Diagnosis delay time | — | |||
POSSIBLE CAUSE
-
Harness and connectors (CAN communication line is open or shorted.)
-
ECM
-
VCR control module
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON.
-
Check 1st trip DTC.
Is DTC U10A0 detected?
YES>>Refer to DTC Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
DTC Diagnosis Procedure
CHECK VCR CONTROL MODULE POWER SUPPLY
-
Turn ignition switch OFF.
-
Disconnect VCR control module harness connector.
-
Check the voltage between VCR control module harness connector and ground.
+ − Voltage VCR control module Connector Terminal F108 5 Ground Battery voltage
Is the inspection result normal?
YES>>GO TO 3
NO>>GO TO 2
CHECK FUSE
Pull out 30A fuse (No.AA) from fuse and fusible link block.
Is the fuse blown (open)?
YES>>Replace the fuse after repairing the applicable circuit.
NO>>Perform trouble diagnosis for power supply.
CHECK CAN COMMUNICATION CIRCUIT
-
Disconnect ECM harness connector.
-
Disconnect VCR control module harness connector.
-
Check the continuity between ECM harness connector and VCR control module harness connector.
ECM VCR control module Continuity Connector Terminal Connector Terminal E21 131 F108 17 Existed 132 16 -
Check harness for short to ground.
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace error-detected parts.
REPLACE VCR CONTROL MODULE
-
Replace VCR control module.
-
Perform DTC Confirmation Procedure again. Refer to DTC Description.
Is the DTC U10A0 displayed again?
YES>>Replace VCR control module.
NO>>INSPECTION END
Other materials:
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DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0079
00
Exhaust valve control solenoid
(Exhaust Valve Control Solenoid Circuit Low Bank 1)
Diagnosis condition
Engine running at idle
Signal (terminal)
...
Hood
WARNING
Make sure the hood of your Nissan Rogue is fully closed and latched before driving.
Do not open the hood if steam or smoke is coming from the engine compartment.
1. Pull the hood lock release handle 1 located below the driver’s side instrument panel
to slightly raise the hood of t ...
P0106 Manifold Absolute Pressure Sensor
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0106
00
ABSL PRES SEN/CIRC
(Manifold Absolute Pressure/Barometric Pressure Sensor Circuit Range/Performance)
Diagnosis condition
—
Signal (terminal)
...
