LIGHTING (INT)  LIGHTING SYSTEM  TERMINALS OF ECU  


CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)


B332798C30
1.76,3.042 2.167,3.26 0.406,0.219 5.438,3.042 5.844,3.26 0.406,0.219 1.76,4.594 2.167,4.813 0.406,0.219 5.49,4.594 5.896,4.813 0.406,0.219 1.427,6.292 1.833,6.51 0.406,0.219 5.042,6.292 5.448,6.51 0.406,0.219 3.281,7.938 3.688,8.156 0.406,0.219 3.688,1.427 4.031,1.427 false 3.219,1.427 3.563,1.427 false 3.604,0.698 3.604,0.417 3.604,0.417 3.792,0.417 false 5.146,1.104 5.146,0.271 5.146,0.271 5.344,0.271 false 0.177,0.146 0.49,0.406 0.313,0.26 12 false *A 0.719,1.885 1.031,2.083 0.313,0.198 10 false 3B 1.448,0.823 1.76,1.021 0.313,0.198 10 false 3D 1.104,0.823 1.417,1.021 0.313,0.198 10 false 3E 0.771,0.823 1.083,1.021 0.313,0.198 10 false 3A 1.813,0.823 2.125,1.021 0.313,0.198 10 false 3C 4.073,1.344 4.417,1.583 0.344,0.24 10 false E31 3.063,1.344 3.292,1.552 0.229,0.208 10 false *a 3.854,0.333 4.083,0.542 0.229,0.208 10 false *1 5.406,0.188 5.74,0.396 0.333,0.208 10 false MB 1.844,3.073 2.188,3.313 0.344,0.24 10 false E31 5.552,3.073 5.896,3.313 0.344,0.24 10 false 3B 1.875,4.625 2.219,4.865 0.344,0.24 10 false 3A 5.615,4.625 5.958,4.865 0.344,0.24 10 false 3E 1.552,6.323 1.896,6.563 0.344,0.24 10 false 3D 5.167,6.323 5.51,6.563 0.344,0.24 10 false 3C 3.385,7.969 3.729,8.208 0.344,0.24 10 false MB
*A Main Body ECU (Multiplex Network Body ECU) with 1 Connector - -
*1 Main Body ECU (Multiplex Network Body ECU) - -
*a 1 Connector - -


B332794C86
1.188,3.052 1.552,3.271 0.365,0.219 4.146,3.052 4.51,3.271 0.365,0.219 6.344,3.052 6.708,3.271 0.365,0.219 1.635,4.615 2,4.833 0.365,0.219 5.521,4.604 5.885,4.823 0.365,0.219 1.427,6.302 1.792,6.521 0.365,0.219 5.135,6.302 5.5,6.521 0.365,0.219 3.333,7.948 3.698,8.167 0.365,0.219 3.615,0.698 3.615,0.313 3.615,0.313 3.802,0.313 false 3.688,1.427 4,1.427 false 3.688,1.927 4,1.927 false 5.146,1.104 5.146,0.313 5.146,0.313 5.333,0.313 false 3.135,2.583 3.135,1.417 3.135,1.417 3.552,1.417 false 3.135,1.917 3.552,1.917 false 3.833,0.24 4.135,0.448 0.302,0.208 10 false *1 0.719,1.896 0.948,2.125 0.229,0.229 10 false 3B 1.115,0.865 1.344,1.094 0.229,0.229 10 false 3E 0.771,0.865 1,1.094 0.229,0.229 10 false 3A 1.458,0.865 1.688,1.094 0.229,0.229 10 false 3D 1.823,0.865 2.052,1.094 0.229,0.229 10 false 3C 4.073,1.354 4.406,1.604 0.333,0.25 10 false E31 4.073,1.854 4.625,2.083 0.552,0.229 10 false E107 5.385,0.24 5.688,0.448 0.302,0.208 10 false MB 1.25,3.073 1.667,3.25 0.417,0.177 10 false E32 4.208,3.094 4.542,3.344 0.333,0.25 10 false E31 6.448,3.094 6.781,3.344 0.333,0.25 10 false 3B 1.729,4.656 2.063,4.906 0.333,0.25 10 false 3A 5.625,4.646 5.958,4.896 0.333,0.25 10 false 3E 1.531,6.344 1.865,6.594 0.333,0.25 10 false 3D 5.24,6.344 5.573,6.594 0.333,0.25 10 false 3C 3.417,7.99 3.75,8.24 0.333,0.25 10 false MB 0.156,0.156 0.531,0.396 0.375,0.24 12 false *A 3.073,2.667 3.385,2.865 0.313,0.198 10 false *a
*A Main Body ECU (Multiplex Network Body ECU) with 2 Connectors - -
*1 Main Body ECU (Multiplex Network Body ECU) - -
*a 2 Connectors - -


a.

Disconnect the 3A, 3B, 3C and 3D instrument panel junction block assembly connectors.


b.

Measure the voltage and resistance according to the value(s) in the table below.

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
3A-43 - Body ground G - Body ground Battery power supply Always 11 to 14 V
3A-35 - Body ground R - Body ground Battery power supply Always 11 to 14 V
3B-1 - Body ground W - Body ground Battery power supply Always 11 to 14 V
3C-9 - Body ground W-B - Body ground Ground Always Below 1 Ω
3D-12 - Body ground W-B - Body ground Ground Always Below 1 Ω

If the result is not as specified, there may be a malfunction in the wire harness.


c.

Reconnect the 3A, 3B, 3C and 3D instrument panel junction block assembly connectors.


d.

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
3A-51 - Body ground B - Body ground DOME CUT relay drive output DOME CUT relay off 11 to 14 V
DOME CUT relay on Below 1 V
3D-26 - Body ground B - Body ground ACC power supply Ignition switch ACC 11 to 14 V
Ignition switch off Below 1 V
3D-25 - Body ground G - Body ground IG power supply Ignition switch ON 11 to 14 V
Ignition switch off Below 1 V
3C-37 - Body ground L - Body ground IG signal output Ignition switch ON 11 to 14 V
Ignition switch off Below 1 V
3C-51 - Body ground L - Body ground IG signal input Ignition switch ON 11 to 14 V
Ignition switch off Below 1 V
3C-31 - Body ground L - Body ground DOME CUT relay drive output DOME CUT relay off 11 to 14 V
DOME CUT relay on Below 1 V
3C-12 - Body ground P - Body ground Interior lights power supply DOME CUT relay off Below 1 V
DOME CUT relay on 11 to 14 V
3C-54 - Body ground W - Body ground Interior lights drive output Room light switch in DOOR position (when operated by illuminated entry system) 11 to 14 V
Room light switch in ON or OFF position (when operated by illuminated entry system) Below 1 V
3E-39 - Body ground P - Body ground No. 1 luggage compartment light assembly power supply DOME CUT relay off Below 1 V
DOME CUT relay on 11 to 14 V
3E-34 - Body ground LG - Body ground Luggage compartment door courtesy light switch input Luggage compartment door open Below 1 V
Luggage compartment door closed 11 to 14 V
3E-37 - Body ground W - Body ground Front door courtesy light switch assembly LH input Front door LH open Below 1 V
Front door LH closed 11 to 14 V
E31-7 (LSFL) - Body ground*2 Y - Body ground Front door unlock detection switch LH input Front door LH locked Pulse generation
Front door LH unlocked Below 1 V
E31-19 (FRCY) - Body ground V - Body ground Front door courtesy light switch assembly RH input Front door RH open Below 1 V
Front door RH closed 11 to 14 V
E31-24 (LCTY) - Body ground SB - Body ground Rear door courtesy light switch assembly LH input Rear door LH open Below 1 V
Rear door LH closed Pulse generation
E31-6 (RCTY) - Body ground LG - Body ground Rear door courtesy light switch assembly RH input Rear door RH open Below 1 V
Rear door RH closed Pulse generation
E31-18 (LSFR) - Body ground*1 LG - Body ground Front door unlock detection switch RH input Front door RH locked Pulse generation
Front door RH unlocked Below 1 V
3E-23 - Body ground*2 Y - Body ground Rear door unlock detection switch LH input Rear door LH and rear door RH locked Pulse generation
Rear door LH or rear door RH unlocked Below 1 V
3E-38 - Body ground*2 Y - Body ground Rear door unlock detection switch RH input Rear door LH and rear door RH locked Pulse generation
Rear door LH or rear door RH unlocked Below 1 V

*1: w/ Wireless Door Lock Control System

*2: w/ Smart Entry and Start System




CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Smart Entry and Start System)


B401576N19
1.833,0.583 2.25,0.833 0.417,0.25 3.25,0.583 3.667,0.833 0.417,0.25 4.833,0.583 5.25,0.833 0.417,0.25 1.885,0.635 2.344,0.833 0.458,0.198 10 false E108 3.302,0.635 3.76,0.833 0.458,0.198 10 false E109 4.885,0.635 5.344,0.833 0.458,0.198 10 false E110

a.

Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
E110-16 (SWIL) - E110-24 (AGND) G - BR Engine switch illumination drive output Engine switch illumination on 11 to 14 V
Engine switch illumination off Below 1 V