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System Block Diagram |
Power Seat Memory Unit (For Driver) |
Relax Power Seat Unit (For Passenger & Rear) |
Circuit Diagram (1) |
Power Seat Module - PSM (For Driver) |
Circuit Diagram (2) |
Relax Power Seat Module (For Passenger & Rear) |
IMS input/output pin information |
PIN | Signal | I/O | Description | Remarks |
A1 | O_CushionExtFrtMtr | O | Cushion Ext Front Motor Output | - |
A2 | O_FrontHeightUpMtr | O | Front Height Up Motor Output | - |
A3 | O_RearHeightUpMtr | O | Rear Height Up Motor Output | - |
A4 | O_ReclineFrtMtr | O | Recline Front Motor Output | - |
A5 | O_SlideFrtMtr | O | Slide Front Motor Output | - |
A6 | O_CushionExtRrMtr | O | Cushion Ext Rear Motor Output | - |
A7 | O_FrontHeightDnMtr | O | Front Height Down Motor Output | - |
A8 | O_HeadRestUpMtr | O | Head Rest Up Motor Output | - |
A9 | O_HeadRestDnMtr | O | Head Rest Down Motor Output | - |
A10 | O_RearHeightDnMtr | O | Rear Height Down Motor Output | - |
A11 | O_ReclineRrMtr | O | Recline Rear Motor Output | - |
A12 | O_SlideRrMtr | O | Slide Rear Motor Output | - |
B1 | POWER B+ | I | Power Supply for Load1 | Min 9V, Max 16V |
B2 | - | - | - | - |
B3 | POWER B+ | I | Power Supply for Load2 | Min 9V, Max 16V |
B4 | GROUND1 | - | Power ground1 | 1V and less |
B5 | GROUND2 | - | Power ground2 | 1V and less |
C1 | L_SeatSlideFRTLMTSW | I | Slide Front Limit SW | Open : 4V and more , Close : 2V and less |
C2 | L_SeatRecFRTLMTSW | I | Recline Front Limit SW | Open : 4V and more , Close : 2V and less |
C3 | SENSOR VCC2 | O | Power source of Sensor | Min 7V, Max 16V |
C4 | A_CushionEXTSNSR | I | CushionEXT Sensor Signal | Open : 4V and more , Close : 2V and less |
C5 | - | - | - | - |
C6 | A_SlideRRSNSR | I | Slide Rear Sensor Signal | Open : 4V and more , Close : 2V and less |
C7 | - | - | - | - |
C8 | A_SlideFRTSNSR | I | Slide Front Sensor Signal | Open : 4V and more , Close : 2V and less |
C9 | A_RRHeightUpSNSR | I | Rear Height Up Sensor Signal | Open : 4V and more , Close : 2V and less |
C10 | SENSOR VCC1 | O | Power source of Sensor | Min 7V, Max 16V |
C11 | L_SeatSlideRRLMTSW | I | Slide Rear Limit SW | Open : 4V and more , Close : 2V and less |
C12 | L_SeatRecRRLMTSW | I | Recline Rear Limit SW | Open : 4V and more , Close : 2V and less |
C13 | - | - | - | - |
C14 | A_HeadRestSNSR | I | HeadRest Sensor Signal | Open : 4V and more , Close : 2V and less |
C15 | - | - | - | - |
C16 | A_FRTHeightDownSNSR | I | Front Height Down Sensor Signal | Open : 4V and more , Close : 2V and less |
C17 | A_RRHeightDownSNSR | I | Rear Height Down Sensor Signal | Open : 4V and more , Close : 2V and less |
C18 | A_RecSNSR | I | Recline Sensor Signal | Open : 4V and more , Close : 2V and less |
C19 | A_FRTHeightUpSNSR | I | Front Height Up Sensor Signal | Open : 4V and more , Close : 2V and less |
C20 | SENSOR GND | - | Sensor GND | 1V and less |
D1 | - | - | - | - |
D2 | - | - | - | - |
D3 | - | - | - | - |
D4 | C_CANHi | I/O | CAN high line | SIGNAL |
D5 | C_CANLow | I/O | CAN low line | SIGNAL |
D6 | - | - | - | - |
D7 | L_IGN1PSM | I | Back up source in case Of Vbat failure IGN1 input | Min 9V, Max 16V |
D8 | POWER VB | I | Vbat main | Min 9V, Max 16V |
D9 | - | - | - | - |
D10 | - | - | - | - |
D11 | - | - | - | - |
D12 | - | - | - | - |
D13 | - | - | - | - |
D14 | - | - | - | - |
D15 | - | - | - | - |
D16 | ECU GND | - | Signal ground | 1V and less |
PIN | Signal | I/O | Description | Remarks |
A1 | ASSIST SLIDE MOTOR FRT | O | ASSIST SLIDE FRT MOTOR Output | - |
A2 | ASSIST RECLINE MOTOR FRT | O | ASSIST RECLINE FRT MOTOR Output | - |
A3 | ASSIST TILT MOTOR UP | O | ASSIST TILT UP MOTOR Output | - |
A4 | ASSIST HEIGHT MOTOR UP | O | ASSIST HEIGHT UP MOTOR Output | - |
A5 | ASSIST HEADREST MOTOR UP | O | ASSIST HEADREST UP MOTOR Output | - |
A6 | ASSIST SLIDE MOTOR RR | O | ASSIST SLIDE RR MOTOR Output | - |
A7 | ASSIST RECLINE MOTOR RR | O | ASSIST RECLINE RR MOTOR Output | - |
A8 | - | - | - | - |
A9 | - | - | - | - |
A10 | ASSIST TILT MOTOR DOWN | O | ASSIST TILT DOWN MOTOR Output | - |
A11 | ASSIST HEIGHT MOTOR DOWN | O | ASSIST HEIGHT DOWN MOTOR Output | - |
A12 | ASSIST HEADREST MOTOR UP | O | ASSIST HEADREST UP MOTOR Output | - |
B1 | GND (POWER) | - | MOTOR operation POWER GND | 1V and less |
B2 | GND (POWER) | - | MOTOR operation POWER GND | 1V and less |
B3 | B+(POWER) | I | MOTOR operation POWER B+ | Min 9V, Max 16V |
B4 | B+(POWER) | I | MOTOR operation POWER B+ | Min 9V, Max 16V |
B5 | B+(POWER) | I | MOTOR operation POWER B+ | Min 9V, Max 16V |
C1 | ASSIST SLIDE SENSOR1 | I | ASSIST SLIDE SENSOR1 Input | Open : 4V and more , Close : 2V and less |
C2 | ASSIST TILT SENSOR1 | I | ASSIST TILT SENSOR1 Input | Open : 4V and more , Close : 2V and less |
C3 | ASSIST HEIGHT SENSOR1 | I | ASSIST HEIGHT SENSOR1 Input | Open : 4V and more , Close : 2V and less |
C4 | REAR SLIDE MOTOR FRT | O | REAR SLIDE FRT MOTOR Output | - |
C5 | REAR LEGSUPPORT MOTOR UP | O | REAR LEGSUPPORT UP MOTOR Output | - |
C6 | ASSIST SLIDE FRT SW (WALK IN) | I | ASSIST SLIDE FRT SW Input | Open : 4V and more , Close : 2V and less |
C7 | ASSIST RECLINE FRT SW (WALK IN) | I | ASSIST RECLINE FRT SW Input | Open : 4V and more , Close : 2V and less |
C8 | - | - | - | - |
C9 | - | - | - | - |
C10 | CAN High | I/O | - | SIGNAL |
C11 | CAN Low | I/O | - | SIGNAL |
C12 | ASSIST SLIDE SENSOR2 | I | ASSIST SLIDE SENSOR2 Input | Open : 4V and more , Close : 2V and less |
C13 | ASSIST TILT SENSOR2 | I | ASSIST TILT SENSOR2 Input | Open : 4V and more , Close : 2V and less |
C14 | ASSIST HEIGHT SENSOR2 | I | ASSIST HEIGHT SENSOR2 Input | Open : 4V and more , Close : 2V and less |
C15 | REAR SLIDE MOTOR RR | O | REAR SLIDE RR MOTOR Output | - |
C16 | REAR LEGSUPPORT MOTOR DOWN | O | REAR LEGSUPPORT DOWN MOTOR Output | - |
C17 | ASSIST RECLINE SENSOR | I | ASSIST RECLINE SENSOR Input | Open : 4V and more , Close : 2V and less |
C18 | ASSIST HEADREST SENSOR | I | ASSIST HEADREST SENSOR Input | Open : 4V and more , Close : 2V and less |
C19 | ASSIST SLIDE MOTOR RR (SW) | I | ASSIST SLIDE MOTOR RR Input(SW) | Open : 4V and more , Close : 2V and less |
C20 | ASSIST RECLINE MOTOR RR (SW) | I | ASSIST RECLINE MOTOR RR Input(SW) | Open : 4V and more , Close : 2V and less |
C21 | - | - | - | - |
C22 | - | - | - | - |
C23 | - | - | - | - |
C24 | - | - | - | - |
D1 | ASSIST SLIDE FRT LIMIT SW | I | ASSIST SLIDE FRT LIMIT SW Input | Open : 4V and more , Close : 2V and less |
D2 | ASSIST REC FRT LIMIT SW | I | ASSIST REC FRT LIMIT SW Input | Open : 4V and more , Close : 2V and less |
D3 | REAR(VIP) SLIDE FRT LIMIT SW | I | REAR(VIP) SLIDE FRT LIMIT SW Input | Open : 4V and more , Close : 2V and less |
D4 | REAR(VIP) LEGSUPPORT UP LIMIT SW | I | REAR(VIP) LEGSUPPORT UP LIMIT SW Input | Open : 4V and more , Close : 2V and less |
D5 | - | - | - | - |
D6 | SENSOR VCC1 | O | SENSOR1 Power Input | Min 7V, Max 16V |
D7 | SENSOR VCC2 | O | SENSOR2 Power Input | Min 7V, Max 16V |
D8 | IGN 1 | I | IGN 1 Power Input | Min 9V, Max 16V |
D9 | ECU B+ | I | ECU Power Input | Min 9V, Max 16V |
D10 | ASSIST SLIDE RR LIMIT SW | I | ASSIST SLIDE RR LIMIT SW Input | Open : 4V and more , Close : 2V and less |
D11 | ASSIST REC RR LIMIT SW | I | ASSIST REC RR LIMIT SW Input | Open : 4V and more , Close : 2V and less |
D12 | REAR(VIP) SLIDE RR LIMIT SW | I | REAR(VIP) SLIDE RR LIMIT SW Input | Open : 4V and more , Close : 2V and less |
D13 | REAR(VIP) LEGSUPPORT DOWN LIMIT SW | I | REAR(VIP) LEGSUPPORT DOWN LIMIT SW Input | Open : 4V and more , Close : 2V and less |
D14 | SERIAL communication LINE | I/O | SERIAL communication Input/Output LINE | SIGNAL |
D15 | SBR SW | I | SBR SW | Open : 4V and more , Close : 2V and less |
D16 | - | - | - | - |
D17 | - | - | - | - |
D18 | - | - | - | - |
D19 | SENSOR GND | - | SENSOR Power GND | 1V and less |
D20 | ECU GND | - | ECU Power GND | 1V and less |
PIN | Signal | I/O | Description | Remarks |
A1 | ASSIST SLIDE MOTOR FRONT | O | ASSIST SLIDE MOTOR FRONT Output | - |
A2 | ASSIST RECLINE MOTOR FRONT | O | ASSIST RECLINE MOTOR FRONT Output | - |
A3 | ASSIST FOOTREST MOTOR UP | O | ASSIST FOOTREST MOTOR UP Output | - |
A4 | ASSIST HEADREST MOTOR UP | O | REAR SLIDE MOTOR FRONT Output | - |
A5 | - | - | - | - |
A6 | ASSIST SLIDE MOTOR REAR | O | ASSIST SLIDE MOTOR REAR Output | - |
A7 | ASSIST RECLINE MOTOR REAR | O | ASSIST RECLINE MOTOR REAR Output | - |
A8 | - | - | - | - |
A9 | - | - | - | - |
A10 | ASSIST FOOTREST MOTOR DOWN | O | ASSIST HEADREST MOTOR DOWN Output | - |
A11 | ASSIST HEADREST MOTOR DOWN | O | REAR SLIDE MOTOR REAR Output | - |
A12 | - | - | - | - |
B1 | POWER B+ | O | POWER B+ Input | Min 9V, Max 16V |
B2 | POWER GND | - | POWER GND | 1V and less |
B3 | POWER B+ | O | POWER B+ Input | Min 9V, Max 16V |
B4 | - | - | - | - |
B5 | POWER GND | - | POWER GND | 1V and less |
C1 | REAR SLIDE MOTOR FRONT | O | REAR SLIDE MOTOR FRONT Output | - |
C2 | REAR LEGSUPPORT MOTOR UP | O | REAR LEGSUPPORT MOTOR UP Output | - |
C3 | ASSIST SLIDE FRONT SW | I | ASSIST SLIDE FRONT SW Input | Open : 4V and more , Close : 2V and less |
C4 | ASSIST RECLINE FRONT SW | I | ASSIST RECLINE FRONT SW Input | Open : 4V and more , Close : 2V and less |
C5 | - | - | - | - |
C6 | ASSIST SLIDE SENSOR 1 | I | ASSIST SLIDE SENSOR1 Input | Open : 4V and more , Close : 2V and less |
C7 | ASSIST RECLINE SENSOR | I | ASSIST RECLINE SENSOR Input | Open : 4V and more , Close : 2V and less |
C8 | REAR SLIDE SENSOR1 | I | REAR SLIDE SENSOR1 Input | Open : 4V and more , Close : 2V and less |
C9 | REAR LEGSUPPORT SENSOR1 | I | REAR LEGSUPPORT SENSOR1 Input | Open : 4V and more , Close : 2V and less |
C10 | ASSIST HEADREST SENSOR | I | ASSIST HEADREST SENSOR Input | Open : 4V and more , Close : 2V and less |
C11 | SENSOR VCC1 | O | SENSOR VCC1 Output | Min 7V, Max 16V |
C12 | REAR SLIDE MOTOR REAR | O | REAR SLIDE MOTOR REAR Output | - |
C13 | REAR LEGSUPPORT MOTOR DOWN | O | REAR LEGSUPPORT MOTOR DOWN Output | - |
C14 | ASSIST SLIDE REAR SW | I | ASSIST SLIDE REAR SW Input | Open : 4V and more , Close : 2V and less |
C15 | ASSIST RECLINE REAR SW | I | ASSIST RECLINE REAR SW Input | Open : 4V and more , Close : 2V and less |
C16 | - | - | - | - |
C17 | SERIAL LINE | I/O | SERIAL communcation LINE | SIGNAL |
C18 | - | - | - | - |
C19 | ASSIST SLIDE SENSOR2 | I | ASSIST SLIDE SENSOR2 Input | Open : 4V and more , Close : 2V and less |
C20 | ASSIST FOOTREST SENSOR | I | ASSIST FOOTREST SENSOR Input | Open : 4V and more , Close : 2V and less |
C21 | REAR SLIDE SENSOR2 | I | REAR SLIDE SENSOR2 Input | Open : 4V and more , Close : 2V and less |
C22 | REAR LEGSUPPORT SENSOR2 | I | REAR LEGSUPPORT SENSOR2 Input | Open : 4V and more , Close : 2V and less |
C23 | AUTO SW | I | AUTO SW Input | Open : 4V and more , Close : 2V and less |
C24 | SENSOR VCC2 | O | SENSOR VCC2 Output | Min 7V, Max 16V |
D1 | ASSIST SLIDE LIMIT FRONT SW | I | ASSIST SLIDE LIMIT FRONT SW Input | Open : 4V and more , Close : 2V and less |
D2 | ASSIST RECLINE LIMIT FRONT SW | I | ASSIST RECLINE LIMIT FORNT SW Input | Open : 4V and more , Close : 2V and less |
D3 | REAR SLIDE LIMIT FRONT SW | I | REAR SLIDE LIMIT FRONT SW Input | Open : 4V and more , Close : 2V and less |
D4 | REAR LEGSUPPORT LIMIT UP SW | I | REAR LEGSUPPORT LIMIT UP SW Input | Open : 4V and more , Close : 2V and less |
D5 | CAN HIGH | I/O | CAN HIGH In/Output | SIGNAL |
D6 | CAN LOW | I/O | CAN LOW In/Output | SIGNAL |
D7 | - | - | - | - |
D8 | IGN1 | I | BACK UP Power and IGN Input | Min 9V, Max 16V |
D9 | ECU B+ | I | ECU Power | Min 9V, Max 16V |
D10 | ASSIST SLIDE LIMIT REAR SW | I | ASSIST SLIDE LIMIT REAR SW Input | Open : 4V and more , Close : 2V and less |
D11 | ASSIST RECLINE LIMIT DOWN SW | I | ASSIST RECLINE LIMIT DOWN SW Input | Open : 4V and more , Close : 2V and less |
D12 | REAR SLIDE LIMIT REAR SW | I | ASSIST RECLINE LIMIT REAR SW Input | Open : 4V and more , Close : 2V and less |
D13 | REAR LEGSUPPORT LIMIT DOWN SW | I | REAR LEGSUPPORT LIMIT DOWN SW Input | Open : 4V and more , Close : 2V and less |
D14 | ASSIST FOOTREST LIMIT UP SW | I | ASSIST FOOTREST LIMIT UP SW Input | Open : 4V and more , Close : 2V and less |
D15 | ASSIST FOOTREST LIMIT DOWN SW | I | ASSIST FOTTREST LIMIT DOWN SW Input | Open : 4V and more , Close : 2V and less |
D16 | SBR SW | I | SBR SW Input | Open : 4V and more , Close : 2V and less |
D17 | SENSOR GND | - | SENSOR Power GND | 1V and less |
D18 | ECU GND | - | ECU Power GND | 1V and less |
D19 | - | - | - | - |
D20 | - | - | - | - |
Rear Curtain Repair procedures
Inspection
Connect the battery voltage and check the rear curtain motor
rotation. If the motor does not operate properly, substitute with a
known-good rear curtain motor and check for proper op ...
ASCC/LDWS Mode (if equipped)
This mode displays the state of the Advanced Smart Cruise Control (ASCC) and
Lane Departure Warning System (LDWS).
❈ For more details, refer to "Advanced Smart Cruise Control (ASCC)&q ...
Water pump Troubleshooting
Troubleshooting
Water Pump
SymptomsPossible CausesRemedyCoolant leakage
•
From the bleed hole of the water pump
Visually check
•
Check leaks after about ten-minute warming up.
•
If ...