Power Door Lock Control System (W/ Theft Deterrent System) -- Terminals Of Ecu |
| CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY |
| *1 | Integration Relay | - | - |
Disconnect the2D, 2H and 2L driver side junction block assembly connectors.
Measure the resistance and voltage according to the value(s) in the table below.
Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition 2D-9 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω 2D-18 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω 2H-4 (ALTB) - Body ground LG - Body ground Battery power supply Always 11 to 14 V 2L-12 (BECU) - Body ground L - Body ground Battery power supply Always 11 to 14 V - If the result is not as specified, there may be a malfunction on the wire harness side.
- If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the 2D, 2H and 2L driver side junction block assembly connectors.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| 2A-4 (L1) - Body ground | L - Body ground |
|
| Below 1 V |
| 11 to 14 V | |||
| 2D-4 (UL1) - Body ground | L-W - Body ground |
|
| Below 1 V |
| 11 to 14 V | |||
| 2K-10 (ACT-) - Body ground | L-Y - Body ground | Door lock motor unlock drive output signal (passenger door , rear RH*1 or LH*2 door and back door) | Power window regulator master switch assembly (door control switch) not pushed and driver side door key cylinder in neutral position | Below 1 V |
| Lock side of power window regulator master switch assembly (door control switch) pushed, or driver side door key cylinder in unlock position | 11 to 14 V | |||
| 2K-11 (ACT+) - Body ground | L - Body ground | Door lock motor lock drive output (passenger door, rear RH*1 or LH*2 door and back door) | Power window regulator master switch assembly (door control switch) not pushed and driver side door key cylinder in neutral position | Below 1 V |
| Lock side of power window regulator master switch assembly (door control switch) pushed, or driver side door key cylinder in lock position | 11 to 14 V | |||
| 2O-27 (DCTY) - Body ground | R-B - Body ground | Front door courtesy light switch assembly LH*1 or RH*2 input signal | Driver side door open | Below 1 V |
| Driver side door closed | 11 to 14 V | |||
| 2R-27 (ACT-) - Body ground | L-Y - Body ground | Door lock motor unlock drive output signal (driver door and rear LH*1 or RH*2 door) | Power window regulator master switch assembly (door control switch) not pushed and driver side door key cylinder in neutral position | Below 1 V |
| Lock side of power window regulator master switch assembly (door control switch) pushed, or driver side door key cylinder in unlock position | 11 to 14 V | |||
| 2R-28 (ACT+) - Body ground | L - Body ground | Door lock motor lock drive output signal (driver door and rear LH*1 or RH*2 door) | Power window regulator master switch assembly (door control switch) not pushed and driver side door key cylinder in neutral position | Below 1 V |
| Lock side of power window regulator master switch assembly (door control switch) pushed, or driver side door key cylinder in lock position | 11 to 14 V |
- *1: for LHD
- *2: for RHD
- If the result is not as specified, the driver side junction block assembly may have a malfunction.
| CHECK THEFT WARNING ECU ASSEMBLY |
Disconnect the T36 theft warning ECU assembly connector.
Measure the resistance and voltage according to the value(s) in the table below.
If the result is not as specified, there may be a malfunction on the wire harness side.Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition T36-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω T36-3 (+B1) - Body ground L-Y - Body ground Battery power supply Always 11 to 14 V T36-12 (+B2) - Body ground LG - Body ground Battery power supply Always 11 to 14 V T36-4 (IG) - Body ground R-L - Body ground Ignition power supply Ignition switch off Below 1 V Ignition switch ON 11 to 14 V Reconnect the T36 theft warning ECU assembly connector.
Measure the voltage according to the value(s) in the table below.
If the result is not as specified, the theft warning ECU may have a malfunction.Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition T35-7 (CTY) - Body ground R-L - Body ground All Door courtesy switches input signal One or more doors open Below 1 V All doors closed 11 to 14 V T36-11 (DDUL) - Body ground L-Y - Body ground Door lock motor UNLOCK drive output (driver door) signal Door control switch or driver door key cylinder OFF Below 1 V Door control switch or driver door key cylinder UNLOCK 11 to 14 V T36-15 (SPD) - Body ground V-R - Body ground Vehicle speed input signal Driving at approximately 20 km/h (12.4 mph) Pulse generation (See waveform 1) Inspect using an oscilloscope.
- HINT:
- The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.
- As the vehicle speed increases, the wavelength shortens.
Waveform 1 (Reference)
Measurement Condition Item Content Tester Connection T36-15 (SPD) - Body ground Tool Setting 5 V/DIV., 10 msec./DIV. Condition Driving at approximately 20 km/h (12.4 mph)
