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 No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2658 | Short in Sensor with Motor Power Supply Circuit | Problem with the voltage supplied to the position control sensor. | ·
Position control ECU assembly ·
Slide motor (front seat adjuster assembly LH) ·
Front vertical motor (front seat adjuster assembly LH) ·
Lifter motor (front seat adjuster assembly LH) ·
Reclining motor (front seat back frame sub-assembly LH) ·
Wire harness or connector |
for SFTM Made
for GTMC Made
Clear the DTCs.
| Proceed to |
|---|
| NEXT |
NEXT
Check for DTCs.
| Result | Proceed to |
|---|---|
| Only B2658 is output | A |
| B2650 and B2658 are output | B |
| B2651 and B2658 are output | C |
| B2652 and B2658 are output | D |
| B2653 and B2658 are output | E |
A
B
C
D
E
Disconnect the U35 position control ECU assembly connector.
Disconnect the U25*1 or U47*2 slide motor (front seat adjuster assembly LH) connector.
*1: for SFTM Made
*2: for GTMC Made
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U35,U25)Location & Routingewd_type=routing;type=c,c;code=U35,U25 Click Connector(U35)Seat>Front Seat Wire RH / Front Seat Wire LH>Position Control ECU Assembly LHewd_type=component;type=c;code=U35;pinno=26,12 Click Connector(U25)Seat>Front Seat Wire RH / Front Seat Wire LH>Slide Motor (Front Seat Adjuster Assembly LH)ewd_type=component;type=c;code=U25;pinno=5,6 |
||
| U35-26 (SSRS) - U25-5 | Always | Below 1 Ω |
| U35-26 (SSRS) or U25-5 - Body ground | Always | 10 kΩ or higher |
| U35-12 (SGND) - U25-6 | Always | Below 1 Ω |
| U35-12 (SGND) or U25-6 - Body ground | Always | 10 kΩ or higher |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U35,U47)Location & Routingewd_type=routing;type=c,c;code=U35,U47 Click Connector(U35)Seat>Front Seat Wire RH / Front Seat Wire LH>Position Control ECU Assembly LHewd_type=component;type=c;code=U35;pinno=26,12 Click Connector(U47)Seat>Front Seat Wire RH / Front Seat Wire LH>Slide Motor (Front Seat Adjuster Assembly LH)ewd_type=component;type=c;code=U47;pinno=2,3 |
||
| U35-26 (SSRS) - U47-2 | Always | Below 1 Ω |
| U35-26 (SSRS) or U47-2 - Body ground | Always | 10 kΩ or higher |
| U35-12 (SGND) - U47-3 | Always | Below 1 Ω |
| U35-12 (SGND) or U47-3 - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Reconnect the U35 position control ECU assembly connector.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U25)Location & Routingewd_type=routing;type=c;code=U25 Click Connector(U25)Seat>Front Seat Wire RH / Front Seat Wire LH>Slide Motor (Front Seat Adjuster Assembly LH)ewd_type=component;type=c;code=U25;pinno=5,6 |
||
| U25-5 - U25-6 | Slide switch on | 4.8 to 5.1 V |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U47)Location & Routingewd_type=routing;type=c;code=U47 Click Connector(U47)Seat>Front Seat Wire RH / Front Seat Wire LH>Slide Motor (Front Seat Adjuster Assembly LH)ewd_type=component;type=c;code=U47;pinno=2,3 |
||
| U47-2 - U47-3 | Slide switch on | 4.8 to 5.1 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
for SFTM Made: Click hereVehicle Interior>SEAT>POWER SEAT CONTROL ECU (for SFTM Made)>REMOVAL202203,202303,_58,_111839,_0500782,RM1000000022EHU,202303,202406,_58,_111839,_0500782,RM100000002B4Y0,202406,999999,_58,_111839,_0500782,RM100000002MQQP,
for GTMC Made: Click hereVehicle Interior>SEAT>POWER SEAT CONTROL ECU (for GTMC Made)>REMOVAL202203,202303,_58,_111839,_0525817,RM10000000229H8,202303,202406,_58,_111839,_0525817,RM100000002B4XZ,202406,999999,_58,_111839,_0525817,RM100000002MQQR,
| *A | for SFTM Made |
| *B | for GTMC Made |
| *a | Component with harness connected
(Slide Motor (Front Seat Adjuster Assembly LH)) |
Reconnect the U25*1 or U47*2 slide motor (front seat adjuster assembly LH) connector.
*1: for SFTM Made
*2: for GTMC Made
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U25)Location & Routingewd_type=routing;type=c;code=U25 Click Connector(U25)Seat>Front Seat Wire RH / Front Seat Wire LH>Slide Motor (Front Seat Adjuster Assembly LH)ewd_type=component;type=c;code=U25;pinno=5 |
||
| U25-5 - Body ground | Slide motor operating | 4.5 to 4.8 V |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U47)Location & Routingewd_type=routing;type=c;code=U47 Click Connector(U47)Seat>Front Seat Wire RH / Front Seat Wire LH>Slide Motor (Front Seat Adjuster Assembly LH)ewd_type=component;type=c;code=U47;pinno=2 |
||
| U47-2 - Body ground | Slide motor operating | 4.5 to 4.8 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
for SFTM Made: Click hereVehicle Interior>SEAT>FRONT SEAT ASSEMBLY (for SFTM Made Power Seat)>DISASSEMBLY202111,999999,_58,_111839,_0500775,RM100000001Z3EH,
for GTMC Made: Click hereVehicle Interior>SEAT>FRONT SEAT ASSEMBLY (for GTMC Made Power Seat)>DISASSEMBLY202203,999999,_58,_111839,_0525811,RM10000000229GJ,
Disconnect the U35 position control ECU assembly connector.
Disconnect the U42*1 or U52*2 front vertical motor (front seat adjuster assembly LH) connector.
*1: for SFTM Made
*2: for GTMC Made
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U35,U42)Location & Routingewd_type=routing;type=c,c;code=U35,U42 Click Connector(U35)Seat>Front Seat Wire RH / Front Seat Wire LH>Position Control ECU Assembly LHewd_type=component;type=c;code=U35;pinno=10,12 Click Connector(U42)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Tilt Motor Assembly LHewd_type=component;type=c;code=U42;pinno=4,2 |
||
| U35-10 (SSFV) - U42-4 | Always | Below 1 Ω |
| U35-10 (SSFV) or U42-4 - Body ground | Always | 10 kΩ or higher |
| U35-12 (SGND) - U42-2 | Always | Below 1 Ω |
| U35-12 (SGND) or U42-2 - Body ground | Always | 10 kΩ or higher |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U35,U52)Location & Routingewd_type=routing;type=c,c;code=U35,U52 Click Connector(U35)Seat>Front Seat Wire RH / Front Seat Wire LH>Position Control ECU Assembly LHewd_type=component;type=c;code=U35;pinno=10,12 Click Connector(U52)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Tilt Motor Assembly LHewd_type=component;type=c;code=U52;pinno=2,3 |
||
| U35-10 (SSFV) - U52-2 | Always | Below 1 Ω |
| U35-10 (SSFV) or U52-2 - Body ground | Always | 10 kΩ or higher |
| U35-12 (SGND) - U52-3 | Always | Below 1 Ω |
| U35-12 (SGND) or U52-3 - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Reconnect the U35 position control ECU assembly connector.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U42)Location & Routingewd_type=routing;type=c;code=U42 Click Connector(U42)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Tilt Motor Assembly LHewd_type=component;type=c;code=U42;pinno=4,2 |
||
| U42-4 - U42-2 | Front vertical switch on | 4.8 to 5.1 V |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U52)Location & Routingewd_type=routing;type=c;code=U52 Click Connector(U52)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Tilt Motor Assembly LHewd_type=component;type=c;code=U52;pinno=2,3 |
||
| U52-2 - U52-3 | Front vertical switch on | 4.8 to 5.1 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
for SFTM Made: Click hereVehicle Interior>SEAT>POWER SEAT CONTROL ECU (for SFTM Made)>REMOVAL202203,202303,_58,_111839,_0500782,RM1000000022EHU,202303,202406,_58,_111839,_0500782,RM100000002B4Y0,202406,999999,_58,_111839,_0500782,RM100000002MQQP,
for GTMC Made: Click hereVehicle Interior>SEAT>POWER SEAT CONTROL ECU (for GTMC Made)>REMOVAL202203,202303,_58,_111839,_0525817,RM10000000229H8,202303,202406,_58,_111839,_0525817,RM100000002B4XZ,202406,999999,_58,_111839,_0525817,RM100000002MQQR,
| *A | for SFTM Made |
| *B | for GTMC Made |
| *a | Component with harness connected
(Front Vertical Motor (Front Seat Adjuster Assembly LH)) |
Reconnect the U42*1 or U52*2 front vertical motor (front seat adjuster assembly LH) connector.
*1: for SFTM Made
*2: for GTMC Made
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U42)Location & Routingewd_type=routing;type=c;code=U42 Click Connector(U42)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Tilt Motor Assembly LHewd_type=component;type=c;code=U42;pinno=4 |
||
| U42-4 - Body ground | Front vertical motor operating | 4.5 to 4.8 V |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U52)Location & Routingewd_type=routing;type=c;code=U52 Click Connector(U52)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Tilt Motor Assembly LHewd_type=component;type=c;code=U52;pinno=2 |
||
| U52-2 - Body ground | Front vertical motor operating | 4.5 to 4.8 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
for SFTM Made: Click hereVehicle Interior>SEAT>FRONT SEAT ASSEMBLY (for SFTM Made Power Seat)>DISASSEMBLY202111,999999,_58,_111839,_0500775,RM100000001Z3EH,
for GTMC Made: Click hereVehicle Interior>SEAT>FRONT SEAT ASSEMBLY (for GTMC Made Power Seat)>DISASSEMBLY202203,999999,_58,_111839,_0525811,RM10000000229GJ,
Disconnect the U35 position control ECU assembly connector.
Disconnect the U32*1 or U50*2 lifter motor (front seat adjuster assembly LH) connector.
*1: for SFTM Made
*2: for GTMC Made
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U35,U32)Location & Routingewd_type=routing;type=c,c;code=U35,U32 Click Connector(U35)Seat>Front Seat Wire RH / Front Seat Wire LH>Position Control ECU Assembly LHewd_type=component;type=c;code=U35;pinno=25,12 Click Connector(U32)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Lifter Motor Assembly LHewd_type=component;type=c;code=U32;pinno=4,2 |
||
| U35-25 (SSRL) - U32-4 | Always | Below 1 Ω |
| U35-25 (SSRL) or U32-4 - Body ground | Always | 10 kΩ or higher |
| U35-12 (SGND) - U32-2 | Always | Below 1 Ω |
| U35-12 (SGND) or U32-2 - Body ground | Always | 10 kΩ or higher |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U35,U50)Location & Routingewd_type=routing;type=c,c;code=U35,U50 Click Connector(U35)Seat>Front Seat Wire RH / Front Seat Wire LH>Position Control ECU Assembly LHewd_type=component;type=c;code=U35;pinno=25,12 Click Connector(U50)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Lifter Motor Assembly LHewd_type=component;type=c;code=U50;pinno=2,3 |
||
| U35-25 (SSRL) - U50-2 | Always | Below 1 Ω |
| U35-25 (SSRL) or U50-2 - Body ground | Always | 10 kΩ or higher |
| U35-12 (SGND) - U50-3 | Always | Below 1 Ω |
| U35-12 (SGND) or U50-3 - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Reconnect the U35 position control ECU assembly connector.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U32)Location & Routingewd_type=routing;type=c;code=U32 Click Connector(U32)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Lifter Motor Assembly LHewd_type=component;type=c;code=U32;pinno=4,2 |
||
| U32-4 - U32-2 | Lifter switch on | 4.8 to 5.1 V |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U50)Location & Routingewd_type=routing;type=c;code=U50 Click Connector(U50)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Lifter Motor Assembly LHewd_type=component;type=c;code=U50;pinno=2,3 |
||
| U50-2 - U50-3 | Lifter switch on | 4.8 to 5.1 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
for SFTM Made: Click hereVehicle Interior>SEAT>POWER SEAT CONTROL ECU (for SFTM Made)>REMOVAL202203,202303,_58,_111839,_0500782,RM1000000022EHU,202303,202406,_58,_111839,_0500782,RM100000002B4Y0,202406,999999,_58,_111839,_0500782,RM100000002MQQP,
for GTMC Made: Click hereVehicle Interior>SEAT>POWER SEAT CONTROL ECU (for GTMC Made)>REMOVAL202203,202303,_58,_111839,_0525817,RM10000000229H8,202303,202406,_58,_111839,_0525817,RM100000002B4XZ,202406,999999,_58,_111839,_0525817,RM100000002MQQR,
| *A | for SFTM Made |
| *B | for GTMC Made |
| *a | Component with harness connected
(Lifter Motor (Front Seat Adjuster Assembly LH)) |
Reconnect the U32*1 or U50*2 lifter motor (front seat adjuster assembly LH) connector.
*1: for SFTM Made
*2: for GTMC Made
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U32)Location & Routingewd_type=routing;type=c;code=U32 Click Connector(U32)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Lifter Motor Assembly LHewd_type=component;type=c;code=U32;pinno=4 |
||
| U32-4 - Body ground | Lifter motor operating | 4.5 to 4.8 V |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U50)Location & Routingewd_type=routing;type=c;code=U50 Click Connector(U50)Seat>Front Seat Wire RH / Front Seat Wire LH>Power Seat Lifter Motor Assembly LHewd_type=component;type=c;code=U50;pinno=2 |
||
| U50-2 - Body ground | Lifter motor operating | 4.5 to 4.8 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
for SFTM Made: Click hereVehicle Interior>SEAT>FRONT SEAT ASSEMBLY (for SFTM Made Power Seat)>DISASSEMBLY202111,999999,_58,_111839,_0500775,RM100000001Z3EH,
for GTMC Made: Click hereVehicle Interior>SEAT>FRONT SEAT ASSEMBLY (for GTMC Made Power Seat)>DISASSEMBLY202203,999999,_58,_111839,_0525811,RM10000000229GJ,
Disconnect the U35 position control ECU assembly connector.
Disconnect the V12*1 or V19*2 reclining motor (front seat back frame sub-assembly LH) connector.
*1: for SFTM Made
*2: for GTMC Made
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U35,V12)Location & Routingewd_type=routing;type=c,c;code=U35,V12 Click Connector(U35)Seat>Front Seat Wire RH / Front Seat Wire LH>Position Control ECU Assembly LHewd_type=component;type=c;code=U35;pinno=11,12 Click Connector(V12)Seat>No. 2 Front Seat Wire RH / No. 2 Front Seat Wire LH>Reclining Motor (Front Seatback Frame Sub-Assembly LH)ewd_type=component;type=c;code=V12;pinno=4,2 |
||
| U35-11 (HALL+) - V12-4 | Always | Below 1 Ω |
| U35-11 (HALL+) or V12-4 - Body ground | Always | 10 kΩ or higher |
| U35-12 (SGND) - V12-2 | Always | Below 1 Ω |
| U35-12 (SGND) or V12-2 - Body ground | Always | 10 kΩ or higher |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(U35,V19)Location & Routingewd_type=routing;type=c,c;code=U35,V19 Click Connector(U35)Seat>Front Seat Wire RH / Front Seat Wire LH>Position Control ECU Assembly LHewd_type=component;type=c;code=U35;pinno=11,12 Click Connector(V19)Seat>No. 2 Front Seat Wire RH / No. 2 Front Seat Wire LH>Reclining Motor (Front Seatback Frame Sub-Assembly LH)ewd_type=component;type=c;code=V19;pinno=2,3 |
||
| U35-11 (SSRR) - V19-2 | Always | Below 1 Ω |
| U35-11 (SSRR) or V19-2 - Body ground | Always | 10 kΩ or higher |
| U35-12 (SGND) - V19-3 | Always | Below 1 Ω |
| U35-12 (SGND) or V19-3 - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Reconnect the U35 position control ECU assembly connector.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(V12)Location & Routingewd_type=routing;type=c;code=V12 Click Connector(V12)Seat>No. 2 Front Seat Wire RH / No. 2 Front Seat Wire LH>Reclining Motor (Front Seatback Frame Sub-Assembly LH)ewd_type=component;type=c;code=V12;pinno=4,2 |
||
| V12-4 - V12-2 | Reclining switch on | 4.8 to 5.1 V |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(V19)Location & Routingewd_type=routing;type=c;code=V19 Click Connector(V19)Seat>No. 2 Front Seat Wire RH / No. 2 Front Seat Wire LH>Reclining Motor (Front Seatback Frame Sub-Assembly LH)ewd_type=component;type=c;code=V19;pinno=2,3 |
||
| V19-2 - V19-3 | Reclining switch on | 4.8 to 5.1 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
for SFTM Made: Click hereVehicle Interior>SEAT>POWER SEAT CONTROL ECU (for SFTM Made)>REMOVAL202203,202303,_58,_111839,_0500782,RM1000000022EHU,202303,202406,_58,_111839,_0500782,RM100000002B4Y0,202406,999999,_58,_111839,_0500782,RM100000002MQQP,
for GTMC Made: Click hereVehicle Interior>SEAT>POWER SEAT CONTROL ECU (for GTMC Made)>REMOVAL202203,202303,_58,_111839,_0525817,RM10000000229H8,202303,202406,_58,_111839,_0525817,RM100000002B4XZ,202406,999999,_58,_111839,_0525817,RM100000002MQQR,
| *A | for SFTM Made |
| *B | for GTMC Made |
| *a | Component with harness connected
(Reclining Motor (Front Seat Back Frame Sub-assembly LH)) |
Reconnect the V12*1 or V19*2 reclining motor (front seat back frame sub-assembly LH) connector.
*1: for SFTM Made
*2: for GTMC Made
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(V12)Location & Routingewd_type=routing;type=c;code=V12 Click Connector(V12)Seat>No. 2 Front Seat Wire RH / No. 2 Front Seat Wire LH>Reclining Motor (Front Seatback Frame Sub-Assembly LH)ewd_type=component;type=c;code=V12;pinno=4 |
||
| V12-4 - Body ground | Reclining motor operating | 4.5 to 4.8 V |
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(V19)Location & Routingewd_type=routing;type=c;code=V19 Click Connector(V19)Seat>No. 2 Front Seat Wire RH / No. 2 Front Seat Wire LH>Reclining Motor (Front Seatback Frame Sub-Assembly LH)ewd_type=component;type=c;code=V19;pinno=2 |
||
| V19-2 - Body ground | Reclining motor operating | 4.5 to 4.8 V |
| Proceed to |
|---|
| OK |
| NG |
OK
for SFTM Made: Click hereVehicle Interior>SEAT>POWER SEAT CONTROL ECU (for SFTM Made)>REMOVAL202203,202303,_58,_111839,_0500782,RM1000000022EHU,202303,202406,_58,_111839,_0500782,RM100000002B4Y0,202406,999999,_58,_111839,_0500782,RM100000002MQQP,
for GTMC Made: Click hereVehicle Interior>SEAT>POWER SEAT CONTROL ECU (for GTMC Made)>REMOVAL202203,202303,_58,_111839,_0525817,RM10000000229H8,202303,202406,_58,_111839,_0525817,RM100000002B4XZ,202406,999999,_58,_111839,_0525817,RM100000002MQQR,
NG
for SFTM Made: Click hereVehicle Interior>SEAT>FRONT SEAT ASSEMBLY (for SFTM Made Power Seat)>DISASSEMBLY202111,999999,_58,_111839,_0500775,RM100000001Z3EH,
for GTMC Made: Click hereVehicle Interior>SEAT>FRONT SEAT ASSEMBLY (for GTMC Made Power Seat)>DISASSEMBLY202203,999999,_58,_111839,_0525811,RM10000000229GJ,