| *A | for LHD | *B | for RHD |
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
Disconnect the MB main body ECU (multiplex network body ECU) connector.
Measure the voltage and resistance according to the value(s) in the table below.
Measure the values on the wire harness side with the connector disconnected.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| MB-11(GND1) - Body ground | - | Ground | Always | Below 1 Ω |
| MB-29 (ACC) - Body ground | - | ACC power supply | Power switch on (ACC) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| MB-30 (BECU) - Body ground | - | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| MB-31 (ALTB) - Body ground | - | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| MB-32 (IG) - Body ground | - | IG power supply | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V |
Reconnect the MB main body ECU (multiplex network body ECU) 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 |
|---|---|---|---|---|
| H9-11 (TMSW) - Body ground | LG - Body ground | Luggage door opening cancel switch signal | Luggage door opening cancel switch on | Below 1 V |
| Power switch off, all doors closed and luggage door opening cancel switch off | Pulse generation | |||
| H9-5 (TSW) - Body ground | R - Body ground | Luggage door opening switch signal | Luggage door opening switch on | Below 1 V |
| Power switch off, all doors closed and luggage door opening switch off | Pulse generation | |||
| H10-19 (LGCY) - Body ground* | GR - Body ground | Luggage compartment door courtesy light switch assembly input signal | Luggage compartment door open | Below 1 V |
| Luggage compartment door close | 11 to 14 V | |||
| 3C-10 (TR+) - Body ground* | W-B - Body ground | Luggage compartment door lock relay output signal | Luggage door opening switch on | Below 1 V |
| Luggage door opening switch off | 11 to 14 V |
*: w/o Power Trunk Lid System
CHECK LUGGAGE CLOSER MOTOR ASSEMBLY (w/ Power Trunk Lid System)
Disconnect the U16 luggage closer motor assembly connector.
Measure the resistance and voltage according to the value(s) in the table below.
Measure the values on the wire harness side with the connectors disconnected.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| U16-8 (IG) - U16-11 (GND) | GR - W-B | IG power supply | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| U16-10 (ECUB) - U16-11 (GND) | W - W-B | ECU power supply | Power switch off | 11 to 14 V |
| U16-11 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| U16-12 (B) - U16-11 (GND) | B - W-B | Auxiliary battery power supply | Power switch off | 11 to 14 V |
Reconnect the U16 luggage closer motor 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 |
|---|---|---|---|---|
| U16-1 (LCM-) - U16-11 (GND) | L - W-B | Luggage compartment door closer motor output signal | Luggage compartment door closer is operated | 11 to 14 V |
| U16-2 (LCM+) - U16-11 (GND) | LG - W-B | Luggage compartment door closer motor output signal | Luggage compartment door closer is operated in reverse | 11 to 14 V |
| U16-4 (LDDN) - U16-11 (GND) | GR - W-B | Door control switch input signal | Door control switch is on | Below 1 V |
| Power switch on (IG), luggage compartment door closed and door control switch is OFF | Pulse generation | |||
| U16-7 (HAF) - U16-11 (GND) | V - W-B | Luggage compartment door closer half latch switch input signal | Power switch on (IG), luggage compartment door open → fully closed | Below 1 V → Pulse generation |
| U16-20 (PAWL) - U16-11 (GND) | P - W-B | Luggage compartment door closer pawl switch input signal | Power switch on (IG), luggage compartment door open → fully closed | Below 1 V → Pulse generation |
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
Disconnect the A72 certification ECU (smart key ECU assembly) connector.
Measure the resistance and voltage according to the value(s) in the table below.
Measure the values on the wire harness side with the connectors disconnected.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| A72-2 (+B) - Body ground | W - Body ground | Auxiliary battery power supply | Power switch off | 11 to 14 V |
| A72-10 (CUTB) - Body ground | L - Body ground | Dark current cut fuse pin input signal | Power switch off | 11 to 14 V |
| A72-11 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Reconnect the A72 certification ECU (smart key ECU 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 |
|---|---|---|---|---|
| H194-5 (IG) - A72-11 (E) | LG - W-B | Ignition power supply | Power switch off | Below 1 V |
| Power switch on (IG) | 11 to 14 V | |||
| Q37-27 (TSW5) - A72-11 (E) | LG - W-B | Luggage electrical key switch input signal | Power switch on (IG), luggage compartment door is fully closed and luggage electrical key switch off | Pulse generation |