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System Input Test and Function Test

WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the HDS to the DLC.
  2. Turn the ignition switch 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 listed 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.
      • - Volt drop tests should be performed with the ignition switch ON (II) and all connectors connected and the meter negative test lead attached to a good body ground.
      • - Continuity tests should be performed with the ignition switch OFF and indicated terminals disconnected.
    DPMS INPUT AND FUNCTION TEST DETAILS

    Data List Input/Command Condition: Data List Indication Control Unit/Terminal Number/Test (If applicable) Possible cause if result is not obtained
    Slide Switch Forward Slide switch forward: ON
    Switch released: OFF    		 Power seat control unit/A7, A1 (RED/WHT)
    Slide Switch Backward Slide switch backward: ON
    Switch released: OFF    		 Power seat control unit/A27, A1 (ORN)
    Recline Switch Forward Recline switch forward: ON
    Switch released: OFF    		 Power seat control unit/A6, A1 (PNK)
    Recline Switch Backward Recline switch backward: ON
    Switch open: OFF    		 Power seat control unit/A25, A1 (PUR)
    Front Up-Down Switch Up Front up-down switch up: ON
    Switch released: OFF    		 Power seat control unit/A5, A1 (LT GRN)
    Front Up-Down Switch Down Front up-down switch down: ON
    Switch released: OFF    		 Power seat control unit/A4, A1 (RED/BLK)
    Rear Up-down switch Up Rear up-down switch up: ON
    Switch released: OFF    		 Power seat control unit/A23, A1 (GRN/ORN)
    Rear Up-down Switch Down Rear up-down switch down: ON
    Switch released: OFF    		 Power seat control unit/A3, A1 (GRY)
    Reverse Switch Transmission in P: ON
    Transmission out of P: OFF    		 Power seat control unit/A31 (BLU/BLK)
    Transmission in P: 12 V
    • Faulty switch
    • An open in the wire
    • Faulty control unit
    Ignition switch for power seat control Ignition switch ON (II): ON
    Ignition switch off: OFF    		 Power seat control unit/A35 (YEL)
    Ignition switch ON (II): 12 V
    • Blown No. 21 (7.5 A) fuse in the driver's under-dash fuse/relay box
    • An open in the wire
    • Faulty control unit
    Slide 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 sensor
    • An open in the wire
    • Faulty control unit
    Front Up-Down 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 sensor
    • An open in the wire
    • Faulty control unit
    Recline Sensor Seat back moving forward or rearward: ON
    Seat not moving: OFF    		 Power seat control unit/A10 (BLU/WHT)
    Pulses as seat moves, 2.5 V average
    • Faulty sensor
    • An open in the wire
    • Faulty control unit
    Rear Up-down Sensor Seat rear moving up/down: ON
    Seat not moving: OFF    		 Power seat control unit/A13 (GRN/WHT)
    Pulses as seat moves, 2.5 V average
    • Faulty sensor
    • An open in the wire
    • Faulty control unit
    Seat MEMO Switch Seat MEMO switch pressed: ON
    Switch released: OFF    		 Power seat control unit/A20 (WHT)
    Seat MEMO switch pressed: 0 V; Switch released: 5 V or more
    • Faulty switch
    • An open in the wire
    • Faulty control unit
    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: 5 V or more
    • Faulty switch
    • An open in the wire
    • Faulty control unit
    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: 5 V or more
    • Faulty switch
    • An open in the wire
    • Faulty control unit
    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. Perform each of the function tests listed in the table shown in POWER SEAT INDICATOR FUNCTION TEST DETAILS . 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 operate normally, perform the appropriate test at the control unit and terminal indicated in the table shown in POWER SEAT INDICATOR FUNCTION TEST DETAILS .
      • - Volt drop tests should be performed with the ignition switch ON (II) and all connectors connected
      • - Continuity tests should be perform with the ignition switch OFF 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.
    SYSTEM INPUT TEST AND FUNCTION TEST

    Function Test Component and operation Control Unit/Terminal Number/Test (If applicable) Possible cause if 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; memory seat indicator 1 should come on.
    • Faulty switch
    • An open in the wire
    • A short in the wire
    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; memory seat indicator 2 should come on.
    • Faulty switch
    • An open in the wire
    • A short in the wire
    POWER SEAT FUNCTION TEST DETAILS

    Function Test Component and operation Control Unit/Terminal Number/Test (If applicable) Possible cause if result is not obtained
    Slide Motor-Full Forward Seat slides forward Power seat control unit/B1 (WHT/RED), B4 (BRN), B7 (LT GRN), B17 (YEL)
    Disconnect power seat control unit connector B. Connect B1 to B17 and B7 to B4; driver's seat should slide forward.
    • Faulty motor
    • An open in the wire
    • A short in the wire
    Slide Motor-Full Backward Seat slides rearward Power seat control unit/B1 (WHT/RED), B4 (BRN), B7 (LT GRN), B17 (YEL)
    Disconnect power seat control unit connector B. Connect B1 to B7 and B17 to B4; driver's seat should slide backward.
    • Faulty motor
    • An open in the wire
    • A short in the wire
    Function Test Component and operation Control Unit/Terminal Number/Test (If applicable) Possible cause if result is not obtained
    Front UP-DOWN Motor-Full Up Front of seat moves up Power seat control unit/B1 (WHT/RED), B4 (BRN), B6 (BRN/WHT), B16 (ORN)
    Disconnect power seat control unit connector B. Connect B1 to B16 and B6to B4; front of driver's seat should move up.
    • Faulty motor
    • An open in the wire
    • A short in the wire
    Front UP-DOWN Motor-Full Down Front of seat moves down Power seat control unit/B1 (WHT/RED), B4 (BRN), B6 (BRN/WHT), 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.
    • Faulty motor
    • An open in the wire
    • A short in the wire
    Rear Up-Down Motor-Full Up Rear of seat moves up Power seat control unit/B1 (WHT/RED), B2 (GRN), B4 (BRN), B10 (BLU)
    Disconnect power seat control unit connector B. Connect B1 to B2 and B10 to B4; driver's seat should move up.
    • Faulty motor
    • An open in the wire
    • A short in the wire
    Rear Up-Down Motor-Full Down Rear of seat moves down Power seat control unit/B1 (WHT/RED), B2 (GRN), B4 (BRN), B10 (BLU)
    Disconnect power seat control unit connector B. Connect B1 to B10 and B2 to B4; driver's seat should move down.
    • Faulty motor
    • An open in the wire
    • A short in the wire
    Recline Motor-Full Forward Seat back moves forward Power seat control unit/B1 (WHT/RED), B4 (BRN), B9 (RED), B11 (GRY)
    Disconnect power seat control unit connector B. Connect B1 to B9 and B11 to B4; driver's seat back should move forward.
    • Faulty motor
    • An open in the wire
    • A short in the wire
    Recline Motor-Full Backward Seat back moves backward Power seat control unit/B1 (WHT/RED), B4 (BRN), B9 (RED), B11 (GRY)
    Disconnect power seat control unit connector B. Connect B1 to B11 and B9 to B4; driver's seat back should move backward.
    • Faulty motor
    • An open in the wire
    • A short in the wire
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