Nissan Rogue (T33) 2021-Present Service Manual: Ecu Diagnosis Information :: Driver Seat Control Unit
Values on the Diagnosis Tool
NOTE:
The following table includes information (items) inapplicable to this Nissan Ariya vehicle: For information (items) applicable to this vehicle, refer to CONSULT display items.
| Monitor Item | Condition | Value/Status | |
|---|---|---|---|
| Memory switch 1 | Memory switch-1 | Press | On |
| Release | Off | ||
| Memory switch 2 | Memory switch-2 | Press | On |
| Release | Off | ||
| Set switch | Set switch | Press | On |
| Release | Off | ||
| Reclining switch (Forward) | Reclining switch | Operate (forward) | On |
| Release | Off | ||
| Reclining switch (Backward) | Reclining switch | Operate (backward) | On |
| Release | Off | ||
| Thigh support switch (Up) | Thigh support switch | Operate (upward) | On |
| Release | Off | ||
| Thigh support switch (Down) | Thigh support switch | Operate (downward) | On |
| Release | Off | ||
| Sliding switch (Forward) | Sliding switch | Operate (forward) | On |
| Release | Off | ||
| Sliding switch (Backward) | Sliding switch | Operate (backward) | On |
| Release | Off | ||
| Lifting switch (Up) | Lifting switch | Operate (upward) | On |
| Release | Off | ||
| Lifting switch (Down) | Lifting switch | Operate (downward) | On |
| Release | Off | ||
| Lifting motor position | Seat lifting | Operate (upward) | Change (increase) |
| Operate (downward) | Change (decrease) | ||
| Other than the above | No change | ||
| Reclining motor position | Seat reclining | Operate (forward) | Change (decrease) |
| Operate (backward) | Change (increase) | ||
| Other than the above | No change | ||
| Thigh support motor position | Thigh support | Operate (upward) | Change (increase) |
| Operate (downward) | Change (decrease) | ||
| Other than the above | No change | ||
| Sliding motor position | Seat sliding | Operate (forward) | Change (decrease) |
| Operate (backward) | Change (increase) | ||
| Other than the above | No change | ||
| Memory switch 1 stuck diagnosis | — | Normal | |
| Memory switch 2 stuck diagnosis | — | Normal | |
| Set switch stuck diagnosis | — | Normal | |
| Sliding switch stuck diagnosis | — | Normal | |
| Reclining switch stuck diagnosis | — | Normal | |
| Thigh support switch stuck diagnosis | — | Normal | |
| Lifting switch stuck diagnosis | — | Normal | |
| Massage switch stuck diagnosis | — | Normal | |
| Lumbar support switch stuck diagnosis |
The item is indicated, but not used. |
Normal | |
| Power supply voltage diagnosis (Low voltage) | — | Normal | |
| Power supply voltage diagnosis (High voltage) | — | Normal | |
| Internal power supply voltage diagnosis | — | Normal | |
| Data memory diagnosis | — | Normal | |
| Program memory diagnosis | — | Normal | |
| Calibration/parameter memory diagnosis | — | Normal | |
| Watchdog/safety microcontroller diagnosis | — | Normal | |
| Internal relay stuck diagnosis | — | Normal | |
Reference Value
TERMINAL LAYOUT

PHYSICAL VALUES
|
Terminal No. (Wire color) | Description | Condition | Value (Approx.) | |||
|---|---|---|---|---|---|---|
| (+) | (-) | Signal name | Input/output | |||
|
7 (G) |
Ground | Thigh support switch | Input | Thigh support switch | Operate (upward) | 1.524 – 3.268 V |
| Operate (downward) | 0.647 – 1.522 V | |||||
| Release | 3.269 – 4.799 V* | |||||
|
9 (V) |
Ground | Memory switch-1 | Input | Memory switch-1 | Press | 0 – 2 V |
| Release | Battery voltage* | |||||
|
10 (GR) |
Ground | Memory switch-2 | Input | Memory switch-2 | Press | 0 – 2 V |
| Release | Battery voltage* | |||||
|
11 (P) |
Ground | Reclining switch | Input | Reclining switch | Operate (forward) | 1.524 – 3.268 V |
| Operate (backward) | 0.647 – 1.522 V | |||||
| Release | 3.269 – 4.799 V* | |||||
|
12 (SB) |
Ground | Set switch | Input | Set switch | Press | 0 – 2 V |
| Release | Battery voltage* | |||||
|
15 (Y) |
Ground | Thigh support sensor | Input | Thigh support | Operate |
|
| Other than the above | 5 V* | |||||
|
16 (Y) |
Ground | Lifting sensor | Input | Seat lifting | Operate |
|
| Other than the above | 5 V* | |||||
|
18 (G) |
Ground | Memory indicator-2 | Output | Memory indicator-2 | Illuminate | 0 – 1.5 V |
| Other than the above | Battery voltage | |||||
|
19 (W) |
— | CAN-Low | Input/Output | — | — | |
|
20 (P) |
— | CAN-High | Input/Output | — | — | |
|
31 (SB) |
Ground | Sliding / lifting switch | Input | Sliding switch | Operate (forward) | 3.065 – 3.962 V |
| Operate (backward) | 2.638 – 3.064 V | |||||
| Lifting switch | Operate (upward) | 0.789 – 1.755 V | ||||
| Operate (downward) | 0.352 – 0.788 V | |||||
| Sliding / lifting switch release | 3.963 – 4.799 V* | |||||
|
32 (B) |
Ground | Switch ground | — | Always | 0 V | |
|
33 (B) |
Ground | Sensor ground | — | Always | 0 V | |
|
34 (W) |
Ground | Power supply (encoder) | Output | Always | Battery voltage | |
|
35 (LG) |
Ground | Sliding sensor | Input | Seat sliding | Operate |
|
| Other than the above | 5 V* | |||||
|
36 (G) |
Ground | Reclining sensor | Input | Seat reclining | Operate |
|
| Other than the above | 5 V* | |||||
|
38 (Y) |
Ground | Memory indicator-1 | Output | Memory indicator-1 | Illuminate | 0 – 1.5 V |
| Other than the above | Battery voltage | |||||
|
40 (W) |
Ground | LIN communication | Input/Output | Ignition switch ON |
|
|
|
43 (G) |
Ground | Sliding motor LH (forward) | Output | Seat sliding | Operate (forward) | Battery voltage |
| Other than the above | 0 V | |||||
|
44 (W) |
Ground | Sliding motor LH (backward) | Output | Seat sliding | Operate (backward) | Battery voltage |
| Other than the above | 0 V | |||||
|
45 (Y) |
Ground | Lifting motor LH (upward) | Output | Seat lifting | Operate (upward) | Battery voltage |
| Other than the above | 0 V | |||||
|
46 (L) |
Ground | Lifting motor LH (downward) | Output | Seat lifting | Operate (downward) | Battery voltage |
| Other than the above | 0 V | |||||
|
47 (V) |
Ground | Reclining motor LH (forward) | Output | Seat reclining | Operate (forward) | Battery voltage |
| Other than the above | 0 V | |||||
|
48 (R) |
Ground | Battery power supply | — | Always | Battery voltage | |
|
51 (B) |
Ground | Ground | — | Always | 0 V | |
|
52 (GR) |
Ground | Thigh support motor LH (downward) | Output | Thigh support | Operate (downward) | Battery voltage |
| Other than the above | 0 V | |||||
|
53 (B) |
Ground | Thigh support motor LH (upward) | Output | Thigh support | Operate (upward) | Battery voltage |
| Other than the above | 0 V | |||||
|
56 (BR) |
Ground | Reclining motor LH (backward) | Output | Seat reclining | Operate (backward) | Battery voltage |
| Other than the above | 0 V | |||||
*: When the power consumption control of driver seat control unit is in wake-up state.
DTC Index
NOTE:
The details of time display are as follows:
-
CRNT: A malfunction is detected now.
-
PASS: A malfunction was detected in the past.
×: Applicable
| DTC No. | CONSULT display | Fail-safe | Reference |
|---|---|---|---|
| B2900-01 | Sliding/Lifting Switch | — | DTC Description |
| B2906-11 | Recliner Sensor | — | DTC Description |
| B2906-12 | Recliner Sensor | — | DTC Description |
| B2906-31 | Recliner Sensor | — | DTC Description |
| B2907-11 | Lift Sensor | — | DTC Description |
| B2907-12 | Lift Sensor | — | DTC Description |
| B2907-31 | Lift Sensor | — | DTC Description |
| B2908-11 | Slide Sensor | — | DTC Description |
| B2908-12 | Slide Sensor | — | DTC Description |
| B2908-31 | Slide Sensor | — | DTC Description |
| B2909-11 | Slope Sensor | — | DTC Description |
| B2909-12 | Slope Sensor | — | DTC Description |
| B2909-31 | Slope Sensor | — | DTC Description |
| B2920-09 | Driver seat control unit | — | DTC Description |
| B2920-47 | Driver seat control unit | — | DTC Description |
| B2920-48 | Driver seat control unit | — | DTC Description |
| B2920-49 | Driver seat control unit | — | DTC Description |
| B2920-55 | Driver seat control unit | — | DTC Description |
| B2921-A2 | Driver seat control unit | — | DTC Description |
| B2921-A3 | Driver seat control unit | — | DTC Description |
| B2923-55 | Driver seat control unit | — | DTC Description |
×: Applicable
| DTC No. | CONSULT display | Fail-safe | Reference |
|---|---|---|---|
| U2118-87 | CAN comm err (Intelligent Key) | — | DTC Description |
| U2140-87 | CAN comm err (ECM) | — | DTC Description |
| U2141-87 | CAN comm err (TCM) | — | DTC Description |
| U2148-87 | CAN comm err (brake control unit) | — | DTC Description |
| U214E-87 | CAN comm err (combination meter) | — | DTC Description |
| U214F-87 | CAN comm err (BCM) | — | DTC Description |
| U2150-87 | CAN comm err (AIRBAG) | — | DTC Description |
| U2154-87 | CAN comm err (MIU) | — | DTC Description |
| U2156-87 | CAN comm err (steering angel sensor) | — | DTC Description |
| U215B-87 | CAN comm err (IPDM E/R) | — | DTC Description |
| U2195-87 | CAN comm err (SCCM) | — | DTC Description |
| U21B6-87 | CAN comm err (RSCU2R) | — | DTC Description |
Other materials:
U2a8c-88 Ethernet Circuit
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen terms DTC detected condition
U2A8C-88
Ethernet circuit
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
—
Threshold
Lost ethernet communication with AV control unit
Diagnosis delay time ...
Information Display (combination Meter)
Door Open Warning
DESIGN/PURPOSEInformation display warns the driver that each door is open or is not fully closed. Symbol Message
–
SYNCHRONIZATION WITH MASTER WARNING LAMPSynchronization is applied.Refer to Master Warning Lamp.SYSTEM DIAGRAMSIGNAL PATH
BCM transmits door switch ...
I-BSI driving situations
Basic information
Indicator on
Indicator off
Indicator flashing
Illustration 1 — Approaching from behind
Another vehicle approaching from behind
Illustration 1: When another vehicle enters the monitored area from the rear in an adjacent lane, the side indicator light on the Nissan Rogue i ...


