CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)
Disconnect the W20 sliding roof drive gear sub-assembly (sliding roof ECU) connector.
Measure the resistance and voltage according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| W20-1 (IG) - Body ground | L - Body ground | IG power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | |||
| W20-4 (UP) - Body ground | R - Body ground | Slide roof switch up signal | Ignition switch ON, sliding roof tilted downward Tilt up switch on → off | 1 kΩ or higher → Below 100 Ω |
| W20-5 (CLS) - Body ground | B - Body ground | Slide roof switch close signal | Ignition switch ON, sliding roof open Slide close switch on → off | 1 kΩ or higher → Below 100 Ω |
| W20-6 (DWN) - Body ground | P - Body ground | Slide roof switch down signal | Ignition switch ON, sliding roof tilted upward Tilt down switch on → off | 1 kΩ or higher → Below 100 Ω |
| W20-7 (OPN) - Body ground | LG - Body ground | Slide roof switch open signal | Ignition switch ON, sliding roof closed Slide open switch on → off | 1 kΩ or higher → Below 100 Ω |
| W20-8 (B) - Body ground | W - Body ground | Battery power supply | Always | 11 to 14 V |
| W20-12 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (for 5L-E)
| *A | for LHD | *B | for RHD |
| *1 | Main Body ECU (Multiplex Network Body ECU) | - | - |
Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A-30 (BECU) - Body ground | - | Battery power supply | Always | 11 to 14 V |
| A-31 (ALTB) - Body ground | - | Battery power supply | Always | 11 to 14 V |
| A-32 (IG) - Body ground | - | Ignition switch power supply | Ignition switch ON | 11 to 14 V |
| A-32 (IG) - Body ground | - | Ignition switch power supply | Ignition switch off | Below 1 V |
| A-29 (ACC) - Body ground | - | ACC power supply | Ignition switch ACC | 11 to 14 V |
| A-29 (ACC) - Body ground | - | ACC power supply | Ignition switch off | Below 1 V |
| A-11 (GND1) - Body ground | - | Ground | Always | Below 1 Ω |
| G63-3 (GND2) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Install the main body ECU (multiplex network body ECU).
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| 2I-27 (FLCY) - Body ground | R - Body ground | Front door LH courtesy switch input | Front door LH open | Below 1 V |
| 2I-27 (FLCY) - Body ground | R - Body ground | Front door LH courtesy switch input | Front door LH closed | 11 to 14 V |
| G64-11 (L2) - Body ground | GR - Body ground | Driver side door key-linked lock input | Driver side door key cylinder in lock position | Below 1 V |
| G64-11 (L2) - Body ground | GR - Body ground | Driver side door key-linked lock input | Ignition switch off, all doors closed and driver side door key cylinder in neutral position | Pulse generation |
| G64-24 (UL3) - Body ground | LG - Body ground | Driver side door key-linked unlock input | Driver side door key cylinder in unlock position | Below 1 V |
| G64-24 (UL3) - Body ground | LG - Body ground | Driver side door key-linked unlock input | Ignition switch off, all doors closed and driver side door key cylinder in neutral position | Pulse generation |
| G64-26 (RDA) - Body ground | P - Body ground | Door control receiver input | No key in ignition key cylinder, all doors closed and transmitter switch off → on | 11 to 14 V → Pulse generation |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| 2H-26 (FRCY) - Body ground | B - Body ground | Front door RH courtesy switch input | Front door RH open | Below 1 V |
| 2H-26 (FRCY) - Body ground | B - Body ground | Front door RH courtesy switch input | Front door RH closed | 11 to 14 V |
| G64-11 (L2) - Body ground | GR - Body ground | Driver side door key-linked lock input | Driver side door key cylinder in lock position | Below 1 V |
| G64-11 (L2) - Body ground | GR - Body ground | Driver side door key-linked lock input | Ignition switch off, all doors closed and driver side door key cylinder in neutral position | Pulse generation |
| G64-24 (UL3) - Body ground | LG - Body ground | Driver side door key-linked unlock input | Driver side door key cylinder in unlock position | Below 1 V |
| G64-24 (UL3) - Body ground | LG - Body ground | Driver side door key-linked unlock input | Ignition switch off, all doors closed and driver side door key cylinder in neutral position | Pulse generation |
| G64-26 (RDA) - Body ground | P - Body ground | Door control receiver input | No key in ignition key cylinder, all doors closed and transmitter switch off → on | 11 to 14 V → Pulse generation |
CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (except 5L-E)
| *A | Main Body ECU (Multiplex Network Body ECU) with 3 connectors | *B | for LHD |
| *C | for RHD | - | - |
| *1 | Main Body ECU (Multiplex Network Body ECU) | - | - |
| *A | Main Body ECU (Multiplex Network Body ECU) with 2 connectors | *B | for LHD |
| *C | for RHD | - | - |
| *1 | Main Body ECU (Multiplex Network Body ECU) | - | - |
Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A-31 (BECU) - Body ground | - | Battery power supply | Always | 11 to 14 V |
| A-32 (IG) - Body ground | - | Ignition switch power supply | Ignition switch ON | 11 to 14 V |
| A-32 (IG) - Body ground | - | Ignition switch power supply | Ignition switch off | Below 1 V |
| A-30 (ACC) - Body ground | - | ACC power supply | Ignition switch ACC | 11 to 14 V |
| A-30 (ACC) - Body ground | - | ACC power supply | Ignition switch off | Below 1 V |
| A-11 (GND1) - Body ground | - | Ground | Always | Below 1 Ω |
Install the main body ECU (multiplex network body ECU).
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| G218-6 (FLCY) - Body ground | R - Body ground | Front door LH courtesy switch input | Front door LH open | Below 1 V |
| G218-6 (FLCY) - Body ground | R - Body ground | Front door LH courtesy switch input | Front door LH closed | Pulse generation |
| G218-29 (L2) - Body ground | GR - Body ground | Driver side door key-linked lock input | Driver side door key cylinder in lock position | Below 1 V |
| G218-29 (L2) - Body ground | GR - Body ground | Driver side door key-linked lock input | Ignition switch off, all doors closed and driver side door key cylinder in neutral position | Pulse generation |
| G218-2 (UL3) - Body ground | LG - Body ground | Driver side door key-linked unlock input | Driver side door key cylinder in unlock position | Below 1 V |
| G218-2 (UL3) - Body ground | LG - Body ground | Driver side door key-linked unlock input | Ignition switch off, all doors closed and driver side door key cylinder in neutral position | Pulse generation |
| G218-4 (RDA) - Body ground*1 | P - Body ground*2 B - Body ground*3 |
Signal input from door control receiver | Ignition switch off, all doors closed and door control transmitter assembly switch not pressed | 11 to 14 V |
| G218-4 (RDA) - Body ground*1 | P - Body ground*2 B - Body ground*3 |
Signal input from door control receiver | Ignition switch off, all doors closed and door control transmitter assembly switch pressed | Pulse generation |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| G218-27 (FRCY) - Body ground | B - Body ground | Front door RH courtesy switch input | Front door RH open | Below 1 V |
| G218-27 (FRCY) - Body ground | B - Body ground | Front door RH courtesy switch input | Front door RH closed | Pulse generation |
| G218-29 (L2) - Body ground | GR - Body ground | Driver side door key-linked lock input | Driver side door key cylinder in lock position | Below 1 V |
| G218-29 (L2) - Body ground | GR - Body ground | Driver side door key-linked lock input | Ignition switch off, all doors closed and driver side door key cylinder in neutral position | Pulse generation |
| G218-2 (UL3) - Body ground | LG - Body ground | Driver side door key-linked unlock input | Driver side door key cylinder in unlock position | Below 1 V |
| G218-2 (UL3) - Body ground | LG - Body ground | Driver side door key-linked unlock input | Ignition switch off, all doors closed and driver side door key cylinder in neutral position | Pulse generation |
| G218-4 (RDA) - Body ground*1 | P - Body ground*2 B - Body ground*3 |
Signal input from door control receiver | Ignition switch off, all doors closed and door control transmitter assembly switch not pressed | 11 to 14 V |
| G218-4 (RDA) - Body ground | P - Body ground*2 B - Body ground*3 |
Signal input from door control receiver | Ignition switch off, all doors closed and door control transmitter assembly switch pressed | Pulse generation |
*1: w/o Entry and Start System
*2: w/o Tire Pressure Warning System
*3: w/ Tire Pressure Warning System
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Entry and Start System)
Disconnect the G215 certification ECU (smart key ECU assembly) connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| G215-10 (+B) - Body ground | V - Body ground | Battery power supply | Always | 11 to 14 V |
| G215-11 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Reconnect the G215 certification ECU (smart key ECU assembly) connector.
Measure the voltage and check for pulses according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| G214-18 (RCO) - G215-11 (E) | L - W-B | Output to door control receiver (Power supply for door control receiver. Certification ECU [smart key ECU assembly] outputs 5 V when receiver starts operating.) |
Proceed: |
Pulse generation |
| G214-19 (CSEL) - G215-11 (E) | P - W-B | Communication channel switching circuit |
Proceed: |
Below 1 V → Pulse generation |
| G214-20 (RDAM) - G215-11 (E) | G - W-B | Door control receiver verifies data received from electrical key transmitter sub-assembly. Door control receiver sends data from electrical key transmitter sub-assembly to certification ECU (smart key ECU assembly) (Door control receiver intermittently grounds 12 V signal from certification ECU [smart key ECU assembly]). |
Proceed: |
Pulse generation |