DESCRIPTION
When the front power seat switch LH does not receive a sensor signal despite forward or backward movement of the seatback by power seat motor operation, this DTC is stored.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2651 |
The forward and backward lock detection position of the sensor is the same. |
|
WIRING DIAGRAM
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (POWER SEAT MOTOR FUNCTION) |
(a) Select the Active Test, use the Techstream to generate a control command,
and then check the power seat motor function (See page
).
Tester Display |
Test Part |
Control Ranger |
Diagnostic Note |
---|---|---|---|
Seat Reclining |
Seat reclining operation |
Front / OFF / Rear |
- |
OK:
Motor operates normally.
NG | ![]() |
GO TO STEP 5 |
|
2. |
CHECK FRONT POWER SEAT SWITCH LH (RECLINING MOTOR CIRCUIT) |
(a) Disconnect the d5 reclining motor connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
d5-2 (O/P) - d5-3 (GND) |
Reclining switch on |
4.8 to 5.1 V |
*a |
Front view of wire harness connector (to Separate Type Front Seatback Spring Assembly LH [Reclining Motor]) |
NG | ![]() |
GO TO STEP 4 |
|
3. |
CHECK SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY LH (RECLINING MOTOR) |
(a) Connect the d5 reclining motor connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
d5-2 (O/P) - Body ground |
Reclining switch on |
4.5 to 4.8 V |
*a |
Component with harness connected (Separate Type Front Seatback Spring Assembly LH [Reclining Motor]) |
OK | ![]() |
REPLACE FRONT POWER SEAT SWITCH LH |
NG | ![]() |
REPLACE SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY LH (RECLINING MOTOR) |
4. |
CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - RECLINING MOTOR) |
(a) Disconnect the b19 front power seat switch LH connector.
(b) Disconnect the d5 reclining motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
b19-11 (SSRR) - d5-2 (O/P) |
Always |
Below 1 Ω |
b19-1 (SGND) - d5-3 (GND) |
Always |
Below 1 Ω |
b19-11 (SSRR) - Body ground |
Always |
10 kΩ or higher |
b19-1 (SGND) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE FRONT POWER SEAT SWITCH LH |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
5. |
INSPECT SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY LH (RECLINING MOTOR) |
(a) Remove the front seatback board sub-assembly (See page
|
|
(b) Disconnect the b5 reclining motor connector.
(c) Check if the seatback moves smoothly when the battery is connected to the reclining motor connector terminals.
OK:
Measurement Condition |
Operational Direction |
---|---|
Battery positive (+) → 1 (FWD) Battery negative (-) → 4 (BACK) |
Seatback moves forward |
Battery positive (+) → 4 (BACK) Battery negative (-) → 1 (FWD) |
Seatback moves backward |
*a |
Component without harness connected (Separate Type Front Seatback Spring Assembly LH [Reclining Motor]) |
NG | ![]() |
REPLACE SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY LH (RECLINING MOTOR) |
|
6. |
CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH LH - RECLINING MOTOR) |
(a) Disconnect the b18 front power seat switch LH connector.
(b) Disconnect the d5 reclining motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
b18-9 (RCL+) - d5-1 (FWD) |
Always |
Below 1 Ω |
b18-11 (RCL-) - d5-4 (BACK) |
Always |
Below 1 Ω |
b18-9 (RCL+) - Body ground |
Always |
10 kΩ or higher |
b18-11 (RCL-) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE FRONT POWER SEAT SWITCH LH |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Installation
INSTALLATION
PROCEDURE
1. INSTALL PROPELLER SHAFT ASSEMBLY
(a) Align the matchmarks on the propeller shaft flange and differential flange.
(b) Install the propeller shaft assembly with the 4 washers, 4 bolts and 4 nuts.
Torque:
88 N·m {899 kgf·cm, 65 ...
Speed Sensor Circuit Malfunction (C1883/83)
DESCRIPTION
The stabilizer control ECU receives the speed signal from the skid control ECU
via CAN communication.
DTC Code
DTC Detection Condition
Trouble Area
C1883/83
The stabilizer control ECU ...