Terminals Of Ecu [10/2014 - 10/2015]
- CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) TEXT IN ILLUSTRATION
*A Main Body ECU (Multiplex Network Body ECU) with 2 Connectors - - *1 Main Body ECU (Multiplex Network Body ECU) *2 2 Connectors TEXT IN ILLUSTRATION*A Main Body ECU (Multiplex Network Body ECU) with 3 Connectors - - *1 Main Body ECU (Multiplex Network Body ECU) *2 3 Connectors - Remove the main body ECU (multiplex network body ECU) (Refer to REMOVAL [10/2014 - 10/2015] ).
- Measure the voltage and resistance according to the value(s) in the table below.
HINT:
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 If the result is not as specified, there may be a malfunction in the wire harness.
- Install the main body ECU (multiplex network body ECU) (Refer to INSTALLATION [10/2014 - 10/2015] ).
- 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 D5-5 (TSW) - Body ground LG - 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 D6-12 (TMSW) - Body ground SB - 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 3C-9 (LGCY) - Body ground W - 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 R - 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 If the result is not as specified, the main body ECU (multiplex network body ECU) or instrument panel junction block assembly may be malfunctioning.
- CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
- Disconnect the D109 and D110 certification ECU (smart key ECU assembly) connectors.
- Measure the resistance and voltage according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connectors disconnected.
Tester Connection Wiring Color Terminal Description Condition Specified Condition D109-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω D110-5 (+B) - Body ground W - Body ground Auxiliary battery power supply Power switch off 11 to 14 V D110-4 (CUTB) - Body ground P - Body ground Stand-by power current cut fuse pin input signal Power switch off 11 to 14 V - If the result is not as specified, there may be a malfunction in the wire harness.
- Reconnect the D109 and D110 certification ECU (smart key ECU assembly) connectors.
- Measure the voltage according to the value(s) in the table below.
Tester Connection Wiring Color Terminal Description Condition Specified Condition D110-16 (IG) - D109-1 (E) B - W-B IG power supply Power switch on (IG) 11 to 14 V Power switch off Below 1 V D111-22 (TSW5) - D109-1 (E) G - 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 - If the result is not as specified, the certification ECU (smart key ECU assembly) may be malfunctioning.