CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
| *A | Main Body ECU (Multiplex Network Body ECU) with 2 Connectors | - | - |
| *1 | Main Body ECU (Multiplex Network Body ECU) | - | - |
| *a | 2 Connectors | - | - |
| *A | Main Body ECU (Multiplex Network Body ECU) with 1 Connector | - | - |
| *1 | Main Body ECU (Multiplex Network Body ECU) | - | - |
| *a | 1 Connector | - | - |
Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
for LHD: Click here
for RHD: Click here
Reconnect the instrument panel junction block assembly connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| MB-11 (GND1) - Body ground | - | Ground | Always | Below 1 Ω |
| MB-30 (ACC) - Body ground | - | ACC power supply | Ignition switch ACC | 11 to 14 V |
| MB-30 (ACC) - Body ground | - | ACC power supply | Ignition switch off | Below 1 V |
| MB-31 (BECU) - Body ground | - | Battery power supply | Always | 11 to 14 V |
| MB-32 (IG) - Body ground | - | IG power supply | Ignition switch ON | 11 to 14 V |
| MB-32 (IG) - Body ground | - | IG power supply | Ignition switch off | Below 1 V |
Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.
for LHD: Click here
for RHD: Click here
Measure the voltage and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| F15-2 (UL3) - Body ground | L - Body ground | Driver door key-linked unlock input | Driver door key cylinder in neutral position → on (unlock) | Pulse generation → Below 1 V |
| F15-29 (L2) - Body ground | G - Body ground | Driver door key-linked lock input | Driver door key cylinder in neutral position → on (lock) | Pulse generation → Below 1 V |
| F15-6 (FLCY) - Body ground | R - Body ground | Front door courtesy light switch (for LH) input | Front door LH open | Below 1 V |
| F15-6 (FLCY) - Body ground | R - Body ground | Front door courtesy light switch (for LH) input | Front door LH closed | Pulse generation |
| F15-27 (FRCY) - Body ground | BR - Body ground | Front door courtesy light switch (for RH) input | Front door RH open | Below 1 V |
| F15-27 (FRCY) - Body ground | BR - Body ground | Front door courtesy light switch (for RH) input | Front door RH closed | Pulse generation |
| 3H-8 (ACT-) - Body ground | LA-B - Body ground | Door lock motor unlock drive output | Door control switch or driver door key cylinder off → on (unlock) | Below 1 V → 11 to 14 V → Below 1 V |
| 3H-9 (ACT-) - Body ground | B - Body ground | Door lock motor unlock drive output | Door control switch or driver door key cylinder off → on (unlock) | Below 1 V → 11 to 14 V → Below 1 V |
| 3H-6 (ACT+) - Body ground | R - Body ground | Door lock motor lock drive output | Door control switch or driver door key cylinder off → on (lock) | Below 1 V → 11 to 14 V → Below 1 V |
| 3H-18 (ACT+) - Body ground | R - Body ground | Door lock motor lock drive output | Door control switch or driver door key cylinder off → on (lock) | Below 1 V → 11 to 14 V → Below 1 V |
| 3D-4 (ACTD) - Body ground | B - Body ground*1 L - Body ground*2 |
Door lock motor unlock drive output | Door control switch or driver door key cylinder off → on (unlock) | Below 1 V → 11 to 14 V → Below 1 V |
| 3H-24 (LCTY) - Body ground | BR - Body ground | Rear door courtesy light switch (for LH) input | Rear door LH open | Below 1 V |
| 3H-24 (LCTY) - Body ground | BR - Body ground | Rear door courtesy light switch (for LH) input | Rear door LH closed | Pulse generation |
| 3A-31 (RCTY) - Body ground | BR - Body ground | Rear door courtesy light switch (for RH) input | Rear door RH open | Below 1 V |
| 3A-31 (RCTY) - Body ground | BR - Body ground | Rear door courtesy light switch (for RH) input | Rear door RH closed | Pulse generation |
| 3H-34 (BCTY) - Body ground | SB - Body ground | Back door courtesy light switch input | Back door open | Below 1 V |
| 3H-34 (BCTY) - Body ground | SB - Body ground | Back door courtesy light switch input | Back door closed | Pulse generation |
| 3H-20 (TR+) - Body ground | Y - Body ground | Back door lock motor drive output | Back door closed → open | Below 1 V → 11 to 14 V → Below 1 V |
| 3D-14 (LSR) - Body ground*3 or *4 | LG - Body ground | Rear door LH/RH unlock detection switch input | Rear door LH or RH unlocked | Below 1 V |
| 3D-14 (LSR) - Body ground*3 or *4 | LG - Body ground | Rear door LH/RH unlock detection switch input | Rear door LH and RH locked | Pulse generation |
| 3D-12 (LSFR) - Body ground*6 | GR - Body ground | Front door RH unlock detection switch input | Front door RH unlocked | Below 1 V |
| 3D-12 (LSFR) - Body ground*6 | GR - Body ground | Front door RH unlock detection switch input | Front door RH locked | Pulse generation |
| 3D-13 (LSFL) - Body ground | B - Body ground | Front door LH unlock detection switch input | Front door LH unlocked | Below 1 V |
| 3D-13 (LSFL) - Body ground | B - Body ground | Front door LH unlock detection switch input | Front door LH locked | Pulse generation |
| F15-18 (BDSU) - Body ground*5 | LG - Body ground | Back door opener switch input | Back door opener switch pushed | Below 1 V |
| F15-18 (BDSU) - Body ground*5 | LG - Body ground | Back door opener switch input | Back door opener switch not pushed | Pulse generation |
*1: for LHD
*2: for RHD
*3: w/ Double Locking System
*4: w/ Entry and Start System
*5: w/o Entry and Start System
*6: except for LHD without Double Locking System and without Entry and Start System
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Entry and Start System)
Disconnect the F1 certification ECU (smart key ECU assembly) connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| F1-4 (+B) - Body ground | L - Body ground | Battery power supply | Ignition switch off | 11 to 14 V |
| F1-18 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Reconnect the M67 certification ECU (smart key ECU assembly) connector.
Check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| M67-26 (TSW5) - Body ground | LG - Body ground | Back door opener switch input | Back door opener switch assembly (open switch) off → on | Below 1 V → Pulse generation |
CHECK DOUBLE LOCK DOOR CONTROL RELAY ASSEMBLY (w/ Double Locking System)
Disconnect the F14 double lock door control relay assembly connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| F14-12 (+B) - Body ground | BE - Body ground | Battery power supply | Ignition switch off | 11 to 14 V |
| F14-11 (CPUB) - Body ground | SB - Body ground | Battery power supply | Ignition switch off | 11 to 14 V |
| F14-7 (GND) - Body ground | LA - Body ground | Ground | Always | Below 1 Ω |
Reconnect the F14 double lock door control relay assembly connector.
Measure the voltage and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| F14-8 (ACTS) - Body ground | LG - Body ground | All door double lock motor set on output | Double lock unset | Below 1 V |
| F14-8 (ACTS) - Body ground | LG - Body ground | All door double lock motor set on output | Double lock set | 11 to 14 V |
| F14-1 (ACTR) - Body ground | GR - Body ground | All door double lock motor set off output | Double lock set | Below 1 V |
| F14-1 (ACTR) - Body ground | GR - Body ground | All door double lock motor set off output | Double lock unset | 11 to 14 V |
| F14-6 (DLPD) - Body ground | Y - Body ground | Front RH double lock position switch input | Double lock unset | Pulse generation |
| F14-6 (DLPD) - Body ground | Y - Body ground | Front RH double lock position switch input | Double lock set | Below 1 V |
| F14-5 (DLPP) - Body ground | V - Body ground | Front LH double lock position switch input | Double lock unset | Pulse generation |
| F14-5 (DLPP) - Body ground | V - Body ground | Front LH double lock position switch input | Double lock set | Below 1 V |
| F14-4 (DLPR) - Body ground | B - Body ground | Rear RH double lock position switch input | Double lock unset | Pulse generation |
| F14-4 (DLPR) - Body ground | B - Body ground | Rear RH double lock position switch input | Double lock set | Below 1 V |
| F14-3 (DLPL) - Body ground | L - Body ground | Rear LH double lock position switch input | Double lock unset | Pulse generation |
| F14-3 (DLPL) - Body ground | L - Body ground | Rear LH double lock position switch input | Double lock set | Below 1 V |