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Home >> Acura >> 2011 >> RDX 2.3 TB2 >> Repair and Diagnosis >> Body & Frame >> Seats >> Driver Position Memory System (DPMS) >> System Input Test and Function Test
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System Input Test and Function Test

  1. Connect the HDS to the data link connector (DLC).
  2. Turn the ignition switch to ON (II).
  3. From the BODY ELECTRICAL SYSTEM SELECT menu, select POWER SEAT/POWER MIRROR, then DTCs.
  4. Exit the DTC mode and select DATA LIST from the POWER SEAT/POWER MIRROR TEST MODE MENU.
  5. Test each input and monitor each output under the condition shown below.
    • If the data list indication is correct, continue to the next switch. If all switches are OK, go to step 6.
    • If the data list indication is not correct, perform the appropriate test at the control unit and terminal indicated in the table.
      • Voltage drop tests should be done with the ignition switch to ON (II) and all connectors connected and the meter negative test lead attached to a good body ground.
      • Continuity tests should be done with the ignition switch to LOCK (0) and indicated terminals disconnected.
    Data List Input/Command Condition: Data List Indication Control Unit/Terminal Number/Test (If applicable) Possible cause if desired result is not obtained
    Slide Switch Forward Slide switch forward: ON Switch released: OFF Power seat control unit/A7 (BLU), A1 (BRN) Slide switch released: more than 5V Slide switch forward: 0 V
    Slide Switch Backward Slide switch backward: ON Switch released: OFF Power seat control unit/A27 (ORN/BLU), A1 (BRN) Slide switch released: more than 5V Slide switch rearward: 0 V
    Recline Switch Forward Recline switch forward: ON Switch released: OFF Power seat control unit/A6 (WHT/YEL), A1 (BRN) Recline switch released: more than 5 V Recline switch forward: 0 V
    Recline Switch Backward Recline switch backward: ON Switch open: OFF Power seat control unit/A25 (ORN/GRN), A1(BRN) Recline switch released: more than 5 V Recline switch rearward: 0 V
    Front Up-Down Switch Up Front up-down switch up: ON Switch released: OFF Power seat control unit/A5 (GRN/BLU), A1 (BRN) Front up-down switch released: more than 5 V Front up-down switch up: 0 V
    Front Up-Down Switch Down Front up-down switch down: ON Switch released: OFF Power seat control unit/A4 (RED/BLK), A1 (BRN) Front up-down switch released: more than 5 V Front up-down switch down: 0 V
    Rear Up-Down Switch Up Rear up-down switch up: ON Switch released: OFF Power seat control unit/A23 (GRN/ORN), A1 (BRN) Rear up-down switch released: more than 5 V Rear up-down switch up: 0 V
    Rear Up-Down Switch Down Rear up-down switch down: ON Switch released: OFF Power seat control unit/A3 (BRN/BLK), A1 (BRN) Rear up-down switch released: more than 5 V Rear up-down switch down: 0 V
    Transmission Range Switch Transmission in P: ON Transmission out of P: OFF Power seat control unit/A31 (BLU/BLK) Transmission in P: 0 V
    Ignition switch for power seat control Ignition switch ON (II): ON Ignition switch LOCK (0): OFF Power seat control unit/A35 (YEL) Ignition switch to ON (II): 12 V
    • Blown No. 1 (7.5 A) fuse in the under-dash fuse/relay box
    • An open or high resistance in the wire
    • Faulty control unit
    Slide Position Sensor Seat moving forward or rearward: ON Seat not moving: OFF Power seat control unit/A11 (YEL/GRN) Pulses as seat moves, 2.5 V average
    • Faulty slide position sensor
    • An open or high resistance in the wire
    • Faulty control unit
    Front Up-Down Position Sensor Seat front moving up/down: ON Seat not moving: OFF Power seat control unit/A12 (YEL/BLK) Pulses as seat moves, 2.5 V average
    • Faulty front up-down position sensor
    • An open or high resistance in the wire
    • Faulty control unit
    Recline Position Sensor Seat back moving forward or rearward: ON Seat not moving: OFF Power seat control unit/A10 (WHT/RED) Pulses as seat moves, 2.5 V average
    • Faulty recline position sensor
    • An open or high resistance in the wire
    • Faulty control unit
    Rear Up-Down Position Sensor Seat rear moving up/down: ON Seat not moving: OFF Power seat control unit/A13 (YEL/BLK) Pulses as seat moves, 2.5 V average
    • Faulty rear up-down sensor
    • An open or high resistance in the wire
    • Faulty control unit
    Seat SET Switch Seat SET switch pressed: ON Switch released: OFF Power seat control unit/A20 (WHT) Seat SET switch pressed: 0 V; Switch released: more than 5 V
    Driver 1 Position Switch Driver 1 position switch pressed: ON Switch released: OFF Power seat control unit/A18 (BLU) Driver 1 position switch pressed: 0 V; Switch released: more than 5V
    Driver 2 Position Switch Driver 2 position switch pressed: ON Switch released: OFF Power seat control unit/A19 (BLU/YEL) Driver 2 position switch pressed: 0 V; Switch released: more than 5V
    Driver 1 Position Indicator Driver 1 Position Indicator on: ON Driver 1 Position Indicator off: OFF Function Test: Go to step 6 N/A
    Driver 2 Position Indicator Driver 2 Position Indicator on: ON Driver 2 Position Indicator off: OFF Function Test: Go to step 6 N/A
    Slide Motor Command As seat moves forward or rearward: ON Seat not moving: OFF Function Test: Go to step 6 N/A
    Recline Motor Command As seat back moves forward or rearward: ON Seat not moving: OFF Function Test: Go to step 6 N/A
    Front Height Motor Command As front of seat moves up or down: ON Seat not moving: OFF Function Test: Go to step 6 N/A
    Rear Height Motor Command As rear of seat moves up or down: ON Seat not moving: OFF Function Test: Go to step 6 N/A
    Power Seat Buzzer Command Power seat buzzer commanded on: ON Power seat buzzer commanded off: OFF Function Test: Go to step 6 N/A
  6. Exit the DATA LIST and select FUNCTION TEST.
  7. Do each of the function tests listed in the table below. The appropriate output should occur.
    • If the function operates normally, go to the next function test. If all function tests operate normally, the system is OK.
    • If the function does not occur, do the appropriate test at the control unit and terminal indicated in the table?
      • Voltage drop tests should be done with the ignition switch to ON (II) and all connectors connected
      • Continuity tests should be done with the ignition switch to LOCK(0) and indicated terminals disconnected
      • Jumper tests should be done according to the instructions indicated.
    • If the test indicates that the component operates normally, but the function does not operate with the function test or the normal use of the component, the control unit that operates that function must be faulty; replace it.
    • If the test indicates that the component does not operate normally, check for an open or short in the harnesses between the component and the control unit. If the harness is OK, replace the component.
POWER SEAT INDICATOR

Function Test Component and operation Control Unit/Terminal Number/Test (If applicable) Possible cause if desired result is not obtained
Memory Seat Indicator 1 Memory seat indicator 1 illuminates? Power seat control unit/A16(GRN) Disconnect power seat control unit connector A. Connect A16 to A9; position button indicator 1 should come on.
Memory Seat Indicator 2 Memory seat indicator 2 illuminates; Power seat control unit/A17 (RED) Disconnect power seat control unit connector A. Connect A17 to A9; position button indicator 2 should come on.
POWER SEAT

Function Test Component and operation Control Unit/Terminal Number/Test (If applicable) Possible cause if desired result is not obtained
Slide Motor-Full Forward Seat slides forward Power seat control unit/B1 (WHT/RED), B4 (BLK), B7 (WHT), B17(YEL) Disconnect power seat control unit connector B. Connect B1 to B17 and B7 to B4; driver's seat should slide forward.
Slide Motor-Full Backward Seat slides backward Power seat control unit/B1 (WHT/RED), B4 (BLK), B7 (WHT), B17(YEL) Disconnect power seat control unit connector B. Connect B1 to B7 and B17 to B4; driver's seat should slide rearward.
Front Up-Down Motor-Full Up Front of seat moves up Power seat control unit/B1 (WHT/RED), B4 (BLK), B6 (YEL), B16(ORN) Disconnect power seat control unit connector B. Connect B1 to B16 and B6 to B4; front of driver's seat should move up.
Front Up-Down Motor-Full Down Front of seat moves down Power seat control unit/B1 (WHT/RED), B4 (BLK), B6 (YEL), B16(ORN) Disconnect power seat control unit connector B. Connect B1 to B6 and B16 to B4; front of driver's seat should move down.
Rear Up-Down Motor-Full Up Rear of seat moves up Power seat control unit/B1 (WHT/RED), B2 (GRN), B4 (BLK), B10(BLU/GRN) Disconnect power seat control unit connector B. Connect B1 to B2 and B10 to B4; driver's seat should move up.
Rear Up-Down Motor-Full Down Rear of seat moves down Power seat control unit/B1 (WHT/RED), B2 (GRN), B4 (BLK), B10(BLU/GRN) Disconnect power seat control unit connector B. Connect B1 to B10 and B2 to B4; driver's seat should move down.
Recline Motor-Full Forward Seat back moves forward Power seat control unit/B1 (WHT/RED), B4 (BLK), B9 (GRY), B11 (RED) Disconnect power seat control unit connector B. Connect B1 to B9 and B11 to B4; driver's seat back should move forward.
Recline Motor-Full Backward Seat back moves backward Power seat control unit/BI (WHT/RED), B4 (BLK), B9 (GRY), B11 (RED) Disconnect power seat control unit connector B. Connect B1 to B11 and B9 to B4; driver's seat back should move rearward.
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