DESCRIPTION
This DTC is stored when a power seat motor operates (a position control sensor is being supplied with power) and the power supply voltage does not rise to the specified value.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2658 |
A problem with the voltage supplied to the position control sensor. |
|
WIRING DIAGRAM
PROCEDURE
1. |
CHECK FOR DTC |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
OK:
DTC B2658 is not output.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
|
2. |
CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH LH - SLIDE MOTOR) |
(a) Disconnect the b19 front power seat switch LH connector.
(b) Disconnect the b15 slide motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
b19-5 (SSRS) - b15-2 (O/P) |
Always |
Below 1 Ω |
b19-1 (SGND) - b15-3 (GND) |
Always |
Below 1 Ω |
b19-5 (SSRS) - b19-1 (SGND) |
Always |
10 kΩ or higher |
b19-5 (SSRS) - Body ground |
Always |
10 kΩ or higher |
b19-1 (SGND) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK FRONT POWER SEAT SWITCH LH (SLIDE MOTOR CIRCUIT) |
(a) Connect the b19 front power seat switch LH connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
b15-2 (O/P) - b15-3 (GND) |
Sliding switch on |
4.8 to 5.1 V |
*a |
Front view of wire harness connector (to Separate Type Front Seat Cushion Spring Assembly LH [Slide Motor]) |
NG | ![]() |
REPLACE FRONT POWER SEAT SWITCH LH |
|
4. |
CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH LH - FRONT VERTICAL MOTOR) |
(a) Disconnect the b19 front power seat switch LH connector.
(b) Disconnect the b16 front vertical motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
b19-3 (SSFV) - b16-2 (O/P) |
Always |
Below 1 Ω |
b19-1 (SGND) - b16-3 (GND) |
Always |
Below 1 Ω |
b19-3 (SSFV) - b19-1 (SGND) |
Always |
10 kΩ or higher |
b19-3 (SSFV) - Body ground |
Always |
10 kΩ or higher |
b19-1 (SGND) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK FRONT POWER SEAT SWITCH LH (FRONT VERTICAL MOTOR CIRCUIT) |
(a) Connect the b19 front power seat switch LH connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
b16-2 (O/P) - b16-3 (GND) |
Front vertical switch on |
4.8 to 5.1 V |
*a |
Front view of wire harness connector (to Separate Type Front Seat Cushion Spring Assembly LH [Front Vertical Motor]) |
NG | ![]() |
REPLACE FRONT POWER SEAT SWITCH LH |
|
6. |
CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH LH - LIFTER MOTOR) |
(a) Disconnect the b19 front power seat switch LH connector.
(b) Disconnect the b17 lifter motor connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
b19-4 (SSRL) - b17-2 (O/P) |
Always |
Below 1 Ω |
b19-1 (SGND) - b17-3 (GND) |
Always |
Below 1 Ω |
b19-4 (SSRL) - b19-1 (SGND) |
Always |
10 kΩ or higher |
b19-4 (SSRL) - Body ground |
Always |
10 kΩ or higher |
b19-1 (SGND) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
7. |
CHECK FRONT POWER SEAT SWITCH LH (LIFTER MOTOR CIRCUIT) |
(a) Connect the b19 front power seat switch LH connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
b17-2 (O/P) - b17-3 (GND) |
Lifter switch on |
4.8 to 5.1 V |
*a |
Front view of wire harness connector (to Separate Type Front Seat Cushion Spring Assembly LH [Lifter Motor]) |
NG | ![]() |
REPLACE FRONT POWER SEAT SWITCH LH |
|
8. |
CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH LH - 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) - b19-1 (SGND) |
Always |
10 kΩ or higher |
b19-11 (SSRR) - Body ground |
Always |
10 kΩ or higher |
b19-1 (SGND) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
9. |
CHECK FRONT POWER SEAT SWITCH LH (RECLINING MOTOR CIRCUIT) |
(a) Connect the b19 front power seat switch LH 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 | ![]() |
REPLACE FRONT POWER SEAT SWITCH LH |
|
10. |
CHECK SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY LH |
(a) Temporarily replace the separate type front seat cushion spring with a new
or normally functioning one (See page ).
(b) Clear the DTCs (See page ).
(c) Check for DTCs (See page ).
OK:
DTC B2658 is not output.
OK | ![]() |
END (SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY LH IS DEFECTIVE) |
|
11. |
CHECK SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY LH |
(a) Temporarily replace the separate type front seatback spring with a new or
normally functioning one (See page ).
(b) Clear the DTCs (See page ).
(c) Check for DTCs (See page ).
OK:
DTC B2658 is not output.
OK | ![]() |
END (SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY LH IS DEFECTIVE) |
NG | ![]() |
REPLACE FRONT POWER SEAT SWITCH LH |
Lost Communication with ECM (U0100,U0142,U0155)
DESCRIPTION
The air conditioning amplifier communicates with the ECM, main body ECU (multiplex
network body ECU) and combination meter through the CAN communication system.
DTC Code
DTC Detection Condition
Trouble Area
...
Calibration
CALIBRATION
Initial Calibration of Compass:
The compass indicates the direction that the vehicle is heading by detecting
the direction and strength of the earth's magnetic field and processing this data
using the compass sensor and microcomputer. Det ...