FRONT POWER SEAT CONTROL SYSTEM(for RHD) TERMINALS OF ECU


  1. CHECK POWER SEAT SWITCH ASSEMBLY (for Driver Side, Standard Seat Type)

    A000R2VE02

    1. Disconnect the c15 and c17 power seat switch assembly connectors.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      c17-2 (GND) - Body ground B - Body ground Ground Always Below 1 Ω
      c17-7 (+B) - c17-2 (GND) G - B Power source Always 11 to 14 V
      c15-12 (SYSB) - c17-2 (GND) B - B System power source Always 11 to 14 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the c15 and c17 connectors to the power seat switch assembly.

    4. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      c17-6 (+B2) - c17-1 (GND2) Y - W Lumbar support adjuster power source Always 11 to 14 V
      c17-1 (GND2) - Body ground W - Body ground Lumbar support adjuster ground Always Below 1 Ω
      c17-3 (SLD+) - c17-2 (GND) B - B Sliding motor signal (Forward) Slide switch off Below 1 V
      Slide switch on (Forward) 11 to 14 V
      c17-4 (SLD-) - c17-2 (GND) P - B Sliding motor signal (Rearward) Slide switch off Below 1 V
      Slide switch on (Rearward) 11 to 14 V
      c17-5 (FRV-) - c17-2 (GND) W - B Front vertical motor signal (Downward) Front vertical switch off Below 1 V
      Front vertical switch on (Downward) 11 to 14 V
      c17-8 (FRV+) - c17-2 (GND) R - B Front vertical motor signal (Upward) Front vertical switch off Below 1 V
      Front vertical switch on (Upward) 11 to 14 V
      c17-9 (RCL+) - c17-2 (GND) V - B Reclining motor signal (Forward) Reclining switch off Below 1 V
      Reclining switch on (Forward) 11 to 14 V
      c17-11 (RCL-) - c17-2 (GND) G - B Reclining motor signal (Rearward) Reclining switch off Below 1 V
      Reclining switch on (Rearward) 11 to 14 V
      c17-10 (LFT+) - c17-2 (GND) Y - B Lifter motor signal (Upward) Lifter switch off Below 1 V
      Lifter switch on (Upward) 11 to 14 V
      c17-12 (LFT-) - c17-2 (GND) L - B Lifter motor signal (Downward) Lifter switch off Below 1 V
      Lifter switch on (Downward) 11 to 14 V
      c15-1 (SGND) - c17-2 (GND) BR - B Position sensor ground Always Below 1 Ω
      c15-3 (SSFV) - c15-1 (SGND) GR - BR Front vertical position signal Front vertical function operating 4.5 to 4.8 V
      c15-4 (SSRL) - c15-1 (SGND) R - BR Lifter position signal Lifter function operating 4.5 to 4.8 V
      c15-5 (SSRS) - c15-1 (SGND) W - BR Slide position signal Slide function operating 4.5 to 4.8 V
      c15-11 (SSRR) - c15-1 (SGND) GR - BR Reclining position signal Reclining function operating 4.5 to 4.8 V
  2. CHECK POSITION CONTROL ECU ASSEMBLY (for Driver Side, Sports Seat Type, Luxury Seat Type)

    A000O6TE03

    1. Disconnect the c2 and c3 position control ECU assembly connectors.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      c2-1 (GND2) - Body ground B - Body ground Ground Always Below 1 Ω
      c2-2 (GND) - Body ground B - Body ground Ground Always Below 1 Ω
      c3-1 (+B2) - c2-2 (GND) Y - B Power source Always 11 to 14 V
      c3-2 (+B) - c2-2 (GND) G - B Power source Always 11 to 14 V
      c2-18 (SYSB) - c2-2 (GND) B - B System power source Always 11 to 14 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the c2 and c3 connectors to the position control ECU assembly.

    4. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      c5-6 (SLD+) - c2-2 (GND) B - B Sliding motor signal (Forward) Slide switch off Below 1 V
      Slide switch on (Forward) 11 to 14 V
      c5-3 (SLD-) - c2-2 (GND) P - B Sliding motor signal (Backward) Slide switch off Below 1 V
      Slide switch on (Backward) 11 to 14 V
      c5-4 (FRV-) - c2-2 (GND) W - B Front vertical motor signal (Downward) Front vertical switch off Below 1 V
      Front vertical switch on (Downward) 11 to 14 V
      c5-7 (FRV+) - c2-2 (GND) R - B Front vertical motor signal (Upward) Front vertical switch off Below 1 V
      Front vertical switch on (Upward) 11 to 14 V
      c5-8 (RCL+) - c2-2 (GND) V - B Reclining motor signal (Forward) Reclining switch off Below 1 V
      Reclining switch on (Forward) 11 to 14 V
      c5-10 (RCL-) - c2-2 (GND) G - B Reclining motor signal (Backward) Reclining switch off Below 1 V
      Reclining switch on (Backward) 11 to 14 V
      c5-2 (LFT+) - c2-2 (GND) Y - B Lifter motor signal (Upward) Lifter switch off Below 1 V
      Lifter switch on (Upward) 11 to 14 V
      c5-9 (LFT-) - c2-2 (GND) L - B Lifter motor signal (Downward) Lifter switch off Below 1 V
      Lifter switch on (Downward) 11 to 14 V
      c3-5 (L+) - c2-2 (GND) V - B Lumbar motor signal (Forward) Lumbar switch off Below 1 V
      Lumbar switch on (Forward) 11 to 14 V
      c2-3 (L-) - c2-2 (GND) BE - B Lumbar motor signal (Backward) Lumbar switch off Below 1 V
      Lumbar switch on (Backward) 11 to 14 V
      c4-4 (PEL+) - c2-2 (GND) R - B Pelvis motor signal (Forward) Pelvis switch off Below 1 V
      Pelvis switch on (Forward) 11 to 14 V
      c4-2 (PEL-) - c2-2 (GND) B - B Pelvis motor signal (Backward) Pelvis switch off Below 1 V
      Pelvis switch on (Backward) 11 to 14 V
      c4-1 (MR+) - c2-2 (GND)* G - B Front seat back adjuster motor signal (Forward) Front seat back adjuster switch off Below 1 V
      Front seat back adjuster switch on (Forward) 11 to 14 V
      c4-5 (MR-) - c2-2 (GND)* L - B Front seat back adjuster motor signal (Backward) Front seat back adjuster switch off Below 1 V
      Front seat back adjuster switch on (Backward) 11 to 14 V
      c3-6 (C+) - c2-2 (GND) GR - B Cushion motor signal (Forward) Cushion switch off Below 1 V
      Cushion switch on (Forward) 11 to 14 V
      c2-4 (C-) - c2-2 (GND) LG - B Cushion motor signal (Backward) Cushion switch off Below 1 V
      Cushion switch on (Backward) 11 to 14 V
      c4-3 (ISR+) - c2-2 (GND) V - B Side support motor signal (Paddle open) Side support switch off Below 1 V
      Side support switch on (Paddle open) 11 to 14 V
      c4-6 (ISR-) - c2-2 (GND) P - B Side support motor signal (Paddle close) Side support switch off Below 1 V
      Side support switch on (Paddle close) 11 to 14 V
      c2-20 (SGND) - c2-2 (GND) BR - B Position sensor ground Always Below 1 Ω
      c3-24 (SSFV) - c2-20 (SGND) GR - BR Front vertical position signal Front vertical function operating 4.5 to 4.8 V
      c3-10 (SSRL) - c2-20 (SGND) R - BR Lifter position signal Lifter function operating 4.5 to 4.8 V
      c3-8 (SSRS) - c2-20 (SGND) W - BR Slide position signal Slide function operating 4.5 to 4.8 V
      c3-14 (SSRR) - c2-20 (SGND) GR - BR Reclining position signal Reclining function operating 4.5 to 4.8 V
      c3-13 (SSLB) - c2-20 (SGND) P - BR Lumbar position signal Lumbar function operating 4.5 to 4.8 V
      c3-15 (SSPL) - c2-20 (SGND) W - BR Pelvis position signal Pelvis function operating 4.5 to 4.8 V
      c3-9 (SSMR) - c2-20 (SGND)* G - BR Front seat back adjuster position signal Front seat back adjuster function operating 4.5 to 4.8 V
      c3-3 (SSRC) - c2-20 (SGND) Y - BR Cushion position signal Cushion function operating 4.5 to 4.8 V
      c3-16 (SSIR) - c2-20 (SGND) LG - BR Side support position signal Side support function operating 4.5 to 4.8 V
      c2-25 (SWS1) - c3-18 (SWD1) B - Y Power seat switch signal Slide switch off (Forward) 11 to 14 V
      Slide switch on (Forward) Below 1 V
      c2-25 (SWS1) - c3-19 (SWD2) B - L Power seat switch signal Slide switch off (Backward) 11 to 14 V
      Slide switch on (Backward) Below 1 V
      c2-25 (SWS1) - c3-20 (SWD3) B - GR Power seat switch signal Reclining switch off (Forward) 11 to 14 V
      Reclining switch on (Forward) Below 1 V
      c2-25 (SWS1) - c3-11 (SWD4) B - V Power seat switch signal Reclining switch off (Backward) 11 to 14 V
      Reclining switch on (Backward) Below 1 V
      c2-25 (SWS1) - c3-21 (SWD5) B - SB Power seat switch signal Side support switch off (Paddle open) 11 to 14 V
      Side support switch on (Paddle open) Below 1 V
      c2-23 (SWS2) - c3-18 (SWD1) W - Y Power seat switch signal Lifter switch off (Upward) 11 to 14 V
      Lifter switch on (Upward) Below 1 V
      c2-23 (SWS2) - c3-19 (SWD2) W - L Power seat switch signal Lifter switch off (Downward) 11 to 14 V
      Lifter switch on (Downward) Below 1 V
      c2-23 (SWS2) - c3-20 (SWD3) W - GR Power seat switch signal Front vertical switch off (Downward) 11 to 14 V
      Front vertical switch on (Downward) Below 1 V
      c2-23 (SWS2) - c3-11 (SWD4) W - V Power seat switch signal Front vertical switch off (Upward) 11 to 14 V
      Front vertical switch on (Upward) Below 1 V
      c2-23 (SWS2) - c3-21 (SWD5) W - SB Power seat switch signal Side support switch off (Paddle close) 11 to 14 V
      Side support switch on (Paddle close) Below 1 V
      c2-16 (SWS3) - c3-18 (SWD1) R - Y Power seat switch signal Lumbar switch off (Forward) 11 to 14 V
      Lumbar switch on (Forward) Below 1 V
      c2-16 (SWS3) - c3-19 (SWD2) R - L Power seat switch signal Lumbar switch off (Backward) 11 to 14 V
      Lumbar switch on (Backward) Below 1 V
      c2-16 (SWS3) - c3-20 (SWD3) R - GR Power seat switch signal Pelvis switch off (Forward) 11 to 14 V
      Pelvis switch off (Forward) Below 1 V
      c2-16 (SWS3) - c3-11 (SWD4) R - V Power seat switch signal Pelvis switch off (Backward) 11 to 14 V
      Pelvis switch on (Backward) Below 1 V
      c2-14 (SWS4) - c3-18 (SWD1)* G - Y Power seat switch signal Front seat back adjuster switch off (Forward) 11 to 14 V
      Front seat back adjuster switch on (Forward) Below 1 V
      c2-14 (SWS4) - c3-19 (SWD2)* G - L Power seat switch signal Front seat back adjuster switch off (Backward) 11 to 14 V
      Front seat back adjuster switch on (Backward) Below 1 V
      c2-14 (SWS4) - c3-20 (SWD3) G - GR Power seat switch signal Cushion switch off (Forward) 11 to 14 V
      Cushion switch on (Forward) Below 1 V
      c2-14 (SWS4) - c3-11 (SWD4) G - V Power seat switch signal Cushion switch off (Backward) 11 to 14 V
      Cushion switch on (Backward) Below 1 V

      • *: for Luxury Seat Type

  3. CHECK POSITION CONTROL ECU ASSEMBLY (for Front Passenger Side, Luxury Seat Type)

    A000NUDE03

    1. Disconnect the d4 and d5 position control ECU assembly connectors.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      d5-1 (GND2) - Body ground B - Body ground Ground Always Below 1 Ω
      d5-2 (GND) - Body ground B - Body ground Ground Always Below 1 Ω
      d4-1 (+B2) - d5-2 (GND) Y - B Power source Always 11 to 14 V
      d4-2 (+B) - d5-2 (GND) G - B Power source Always 11 to 14 V
      d5-18 (SYSB) - d5-2 (GND) B - B System power source Always 11 to 14 V

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the d4 and d5 connectors to the position control ECU assembly.

    4. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      d2-6 (SLD+) - d5-2 (GND) Y - B Sliding motor signal (Forward) Slide switch off Below 1 V
      Slide switch on (Forward) 11 to 14 V
      d2-3 (SLD-) - d5-2 (GND) L - B Sliding motor signal (Backward) Slide switch off Below 1 V
      Slide switch on (Backward) 11 to 14 V
      d2-4 (FRV-) - d5-2 (GND) V - B Front vertical motor signal (Downward) Front vertical switch off Below 1 V
      Front vertical switch on (Downward) 11 to 14 V
      d2-7 (FRV+) - d5-2 (GND) LG - B Front vertical motor signal (Upward) Front vertical switch off Below 1 V
      Front vertical switch on (Upward) 11 to 14 V
      d2-8 (RCL+) - d5-2 (GND) P - B Reclining motor signal (Forward) Reclining switch off Below 1 V
      Reclining switch on (Forward) 11 to 14 V
      d2-10 (RCL-) - d5-2 (GND) GR - B Reclining motor signal (Backward) Reclining switch off Below 1 V
      Reclining switch on (Backward) 11 to 14 V
      d2-2 (LFT+) - d5-2 (GND) B - B Lifter motor signal (Upward) Lifter switch off Below 1 V
      Lifter switch on (Upward) 11 to 14 V
      d2-9 (LFT-) - d5-2 (GND) BE - B Lifter motor signal (Downward) Lifter switch off Below 1 V
      Lifter switch on (Downward) 11 to 14 V
      d4-5 (L+) - d5-2 (GND) B - B Lumbar motor signal (Forward) Lumbar switch off Below 1 V
      Lumbar switch on (Forward) 11 to 14 V
      d5-3 (L-) - d5-2 (GND) W - B Lumbar motor signal (Backward) Lumbar switch off Below 1 V
      Lumbar switch on (Backward) 11 to 14 V
      d3-4 (PEL+) - d5-2 (GND) G - B Pelvis motor signal (Forward) Pelvis switch off Below 1 V
      Pelvis switch on (Forward) 11 to 14 V
      d3-2 (PEL-) - d5-2 (GND) R - B Pelvis motor signal (Backward) Pelvis switch off Below 1 V
      Pelvis switch on (Backward) 11 to 14 V
      d3-1 (MR+) - d5-2 (GND) W - B Front seat back adjuster motor signal (Forward) Front seat back adjuster switch off Below 1 V
      Front seat back adjuster switch on (Forward) 11 to 14 V
      d3-5 (MR-) - d5-2 (GND) L - B Front seat back adjuster motor signal (Backward) Front seat back adjuster switch off Below 1 V
      Front seat back adjuster switch on (Backward) 11 to 14 V
      d4-6 (C+) - d5-2 (GND) L - B

      Cushion motor signal (Forward)*1

      Ottoman motor signal (Forward)*2

      Cushion switch off*1

      Ottoman switch off*2

      Below 1 V

      Cushion switch on (Forward)*1

      Ottoman switch on (Forward)*2

      11 to 14 V
      d5-4 (C-) - d5-2 (GND) V - B

      Cushion motor signal (Backward)*1

      Ottoman motor signal (Backward)*2

      Cushion switch off*1

      Ottoman switch off*2

      Below 1 V

      Cushion switch on (Backward)*1

      Ottoman switch on (Backward)*2

      11 to 14 V
      d4-3 (ISR+) - d5-2 (GND) Y - B Side support motor signal (Paddle open) Side support switch off Below 1 V
      Side support switch on (Paddle open) 11 to 14 V
      d4-6 (ISR-) - d5-2 (GND) G - B Side support motor signal (Paddle close) Side support switch off Below 1 V
      Side support switch on (Paddle close) 11 to 14 V
      d5-20 (SGND) - d5-2 (GND) BR - B Position sensor ground Always Below 1 Ω
      d4-24 (SSFV) - d5-20 (SGND) P - BR Front vertical position signal Front vertical function operating 4.5 to 4.8 V
      d4-10 (SSRL) - d5-20 (SGND) R - BR Lifter position signal Lifter function operating 4.5 to 4.8 V
      d4-8 (SSRS) - d5-20 (SGND) SB - BR Slide position signal Slide function operating 4.5 to 4.8 V
      d4-14 (SSRR) - d5-20 (SGND) W - BR Reclining position signal Reclining function operating 4.5 to 4.8 V
      d4-13 (SSLB) - d5-20 (SGND) GR - BR Lumbar position signal Lumbar function operating 4.5 to 4.8 V
      d4-15 (SSPL) - d5-20 (SGND) LG - BR Pelvis position signal Pelvis function operating 4.5 to 4.8 V
      d4-9 (SSMR) - d5-20 (SGND) G - BR Front seat back adjuster position signal Front seat back adjuster function operating 4.5 to 4.8 V
      d4-3 (SSRC) - d5-20 (SGND) Y - BR

      Cushion position signal*1

      Ottoman position signal*2

      Cushion function operating*1

      Ottoman function operating*2

      4.5 to 4.8 V
      d4-16 (SSIR) - d5-20 (SGND) L - BR Side support position signal Side support function operating 4.5 to 4.8 V
      d5-25 (SWS1) - d4-18 (SWD1) B - Y Power seat switch signal Slide switch off (Forward) 11 to 14 V
      Slide switch on (Forward) Below 1 V
      d5-25 (SWS1) - d4-19 (SWD2) B - L Power seat switch signal Slide switch off (Backward) 11 to 14 V
      Slide switch on (Backward) Below 1 V
      d5-25 (SWS1) - d4-20 (SWD3) B - GR Power seat switch signal Reclining switch off (Forward) 11 to 14 V
      Reclining switch on (Forward) Below 1 V
      d5-25 (SWS1) - d4-11 (SWD4) B - V Power seat switch signal Reclining switch off (Backward) 11 to 14 V
      Reclining switch on (Backward) Below 1 V
      d5-25 (SWS1) - d4-21 (SWD5) B - SB Power seat switch signal Side support switch off (Paddle open) 11 to 14 V
      Side support switch on (Paddle open) Below 1 V
      d5-23 (SWS2) - d4-18 (SWD1) W - Y Power seat switch signal Lifter switch off (Upward) 11 to 14 V
      Lifter switch on (Upward) Below 1 V
      d5-23 (SWS2) - d4-19 (SWD2) W - L Power seat switch signal Lifter switch off (Downward) 11 to 14 V
      Lifter switch on (Downward) Below 1 V
      d5-23 (SWS2) - d4-20 (SWD3) W - GR Power seat switch signal Front vertical switch off (Downward) 11 to 14 V
      Front vertical switch on (Downward) Below 1 V
      d5-23 (SWS2) - d4-11 (SWD4) W - V Power seat switch signal Front vertical switch off (Upward) 11 to 14 V
      Front vertical switch on (Upward) Below 1 V
      d5-23 (SWS2) - d4-21 (SWD5) W - SB Power seat switch signal Side support switch off (Paddle close) 11 to 14 V
      Side support switch on (Paddle close) Below 1 V
      d5-16 (SWS3) - d4-18 (SWD1) R - Y Power seat switch signal Lumbar switch off (Forward) 11 to 14 V
      Lumbar switch on (Forward) Below 1 V
      d5-16 (SWS3) - d4-19 (SWD2) R - L Power seat switch signal Lumbar switch off (Backward) 11 to 14 V
      Lumbar switch on (Backward) Below 1 V
      d5-16 (SWS3) - d4-20 (SWD3) R - GR Power seat switch signal Pelvis switch off (Forward) 11 to 14 V
      Pelvis switch off (Forward) Below 1 V
      d5-16 (SWS3) - d4-11 (SWD4) R - V Power seat switch signal Pelvis switch off (Backward) 11 to 14 V
      Pelvis switch on (Backward) Below 1 V
      d5-14 (SWS4) - d4-18 (SWD1) G - Y Power seat switch signal Front seat back adjuster switch off (Forward) 11 to 14 V
      Front seat back adjuster switch on (Forward) Below 1 V
      d5-14 (SWS4) - d4-19 (SWD2) G - L Power seat switch signal Front seat back adjuster switch off (Backward) 11 to 14 V
      Front seat back adjuster switch on (Backward) Below 1 V
      d5-14 (SWS4) - d4-20 (SWD3) G - GR Power seat switch signal

      Cushion switch off (Forward)*1

      Ottoman switch off (Forward)*2

      11 to 14 V

      Cushion switch on (Forward)*1

      Ottoman switch on (Forward)*2

      Below 1 V
      d5-14 (SWS4) - d4-11 (SWD4) G - V Power seat switch signal

      Cushion switch off (Backward)*1

      Ottoman switch off (Backward)*2

      11 to 14 V

      Cushion switch on (Backward)*1

      Ottoman switch on (Backward)*2

      Below 1 V
      d5-17 (HRFS) - d5-2 (GND) L - B Power seat front switch signal Reclining switch on (Forward) 11 to 14 V
      Reclining switch off Below 1 V
      d5-21 (HRRS) - d5-2 (GND) G - B Power seat front switch signal Reclining switch on (Backward) 11 to 14 V
      Reclining switch off Below 1 V
      d5-24 (SLDF) - d5-2 (GND) V - B Power seat front switch signal Slide switch on (Forward) 11 to 14 V
      Slide switch off Below 1 V
      d5-26 (SLDR) - d5-2 (GND) W - B Power seat front switch signal Slide switch on (Backward) 11 to 14 V
      Slide switch off Below 1 V

      • *1: for Ottoman

      • *2: except Ottoman

  4. CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH

    A000SRRE03

    1. Disconnect the Q19 front multiplex network door ECU LH connector.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q19-4 (CPUB) - Q19-1 (GND) P - W-B Power source Always 11 to 14 V
      Q19-6 (BDR) - Q19-1 (GND) V - W-B Power source Always 11 to 14 V
      Q19-3 (SIG) - Q19-1 (GND) B - W-B Power source (IG) Power switch on (IG) 11 to 14 V
      Q19-3 (SIG) - Q19-1 (GND) B - W-B Power source (IG) Power switch off Below 1 V
      Q19-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the Q19 connector to the front multiplex network door ECU LH.

    4. Measure the voltage and waveform according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q19-22 (M1) - Q19-26 (MSWE) B - P M1 switch signal Power switch on (IG), M1 switch off Pulse generation
      Power switch on (IG), M1 switch on Below 1 V
      Q19-23 (M2) - Q19-26 (MSWE) SB - P M2 switch signal Power switch on (IG), M2 switch off Pulse generation
      Power switch on (IG), M2 switch on Below 1 V
      Q19-24 (M3) - Q19-26 (MSWE) V - P M3 switch signal Power switch on (IG), M3 switch off Pulse generation
      Power switch on (IG), M3 switch on Below 1 V
      Q19-25 (MM) - Q19-26 (MSWE) LG - P SET switch signal Power switch on (IG), SET switch off Pulse generation
      Power switch on (IG), SET switch on Below 1 V
  5. CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH

    A000RKZE03

    1. Disconnect the Q4 front multiplex network door ECU RH connector.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q4-6 (BDR) - Q4-1 (GND) V - W-B Power source Always 11 to 14 V
      Q4-3 (SIG) - Q4-1 (GND) B - W-B Power source (IG) Power switch on (IG) 11 to 14 V
      Q4-3 (SIG) - Q4-1 (GND) B - W-B Power source (IG) Power switch off Below 1 V
      Q4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      If the result is not as specified, there may be a malfunction on the wire harness side.

    3. Reconnect the Q4 connector to the front multiplex network door ECU RH.

    4. Measure the voltage and waveform according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      Q4-22 (M1) - Q4-26 (MSWE) B - P M1 switch signal Power switch on (IG), M1 switch off Pulse generation
      Power switch on (IG), M1 switch on Below 1 V
      Q4-23 (M2) - Q4-26 (MSWE) SB - P M2 switch signal Power switch on (IG), M2 switch off Pulse generation
      Power switch on (IG), M2 switch on Below 1 V
      Q4-24 (M3) - Q4-26 (MSWE) V - P M3 switch signal Power switch on (IG), M3 switch off Pulse generation
      Power switch on (IG), M3 switch on Below 1 V
      Q4-25 (MM) - Q4-26 (MSWE) LG - P SET switch signal Power switch on (IG), SET switch off Pulse generation
      Power switch on (IG), SET switch on Below 1 V
  6. CHECK COWL SIDE JUNCTION BLOCK LH, MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    B002BJJE23
    Text in Illustration
    *1 Main Body ECU (Multiplex Network Body ECU) - -

    1. Remove the main body ECU (multiplex network body ECU) from the cowl side junction block LH Click here.

    2. Connect the cowl side junction block LH connectors.

    3. Measure the voltage and resistance according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      A-32 (IG) - Body ground - Power source (IG) Power switch on (IG) 11 to 14 V
      A-30 (BECU) - Body ground - Power source Always 11 to 14 V
      A-11 (GND1) - Body ground - Ground Always Below 1 Ω
    4. Install the main body ECU (multiplex network body ECU) Click here.

    5. Measure the voltage and waveform according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      5A-33 (FRCY) - Body ground R - Body ground Front door courtesy light switch assembly signal Driver door closed Pulse generation
      Driver door open Below 1 V
      N13-9 (CANP) R CAN communication signal - -
      N13-10 (CANN) GR CAN communication signal - -