| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001B7KC |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - ] |
| Title: LIGHTING (INT): LIGHTING SYSTEM (for HV Model): TERMINALS OF ECU; 2019 - 2022 MY Avalon HV [04/2018 - ] | ||
TERMINALS OF ECU
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
(a) Disconnect the instrument panel junction block assembly and main body ECU (multiplex network body ECU) 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 |
|---|---|---|---|---|
|
4D-3 - Body ground |
LA - Body ground |
Ground |
Always |
Below 1 Ω |
|
4F-1 - Body ground |
LG - Body ground |
Auxiliary battery power supply |
Power switch off |
11 to 14 V |
|
4K-1 - Body ground |
B - Body ground*1 W - Body ground*2 |
Auxiliary battery power supply |
Power switch off |
11 to 14 V |
|
G32-19 (GND2) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
- *1: w/ Power Tilt and Power Telescopic
- *2: w/o Power Tilt and Power Telescopic
(c) Connect the instrument panel junction block assembly and main body ECU (multiplex network body ECU) 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 |
|---|---|---|---|---|
|
4A-17 - Body ground |
R - Body ground |
IG power supply |
Power switch on (IG) |
11 to 14 V |
|
Power switch off |
Below 1 V |
|||
|
4A-30 - Body ground |
LG - Body ground |
ACC power supply |
Power switch on (ACC) |
11 to 14 V |
|
Power switch off |
Below 1 V |
|||
|
4A-31 - Body ground |
V - Body ground |
Rear door courtesy light switch assembly (for RH) input |
Rear door RH open |
Below 1 V |
|
Rear door RH closed |
11 to 14 V |
|||
|
4A-36 - Body ground* |
SB - Body ground |
Front door inside handle illumination light assembly LH and RH, center console light (for passenger side) (No. 2 interior illumination light sub-assembly), center console light (for driver side (No. 3 interior illumination light sub-assembly) and cup holder light (for front side and rear side) (No. 4 interior illumination light sub-assembly) drive output |
Front door inside handle illumination light assembly LH and RH, center console light (for passenger side) (No. 2 interior illumination light sub-assembly), center console light (for driver side (No. 3 interior illumination light sub-assembly) and cup holder light (for front side and rear side) (No. 4 interior illumination light sub-assembly) off |
11 to 14 V |
|
Front door inside handle illumination light assembly LH and RH, center console light (for passenger side) (No. 2 interior illumination light sub-assembly), center console light (for driver side (No. 3 interior illumination light sub-assembly) and cup holder light (for front side and rear side) (No. 4 interior illumination light sub-assembly) dimmer control operating (dimming) |
Pulse generation |
|||
|
Front door inside handle illumination light assembly LH and RH, center console light (for passenger side) (No. 2 interior illumination light sub-assembly), center console light (for driver side (No. 3 interior illumination light sub-assembly) and cup holder light (for front side and rear side) (No. 4 interior illumination light sub-assembly) at full brightness |
Below 2.2 V |
|||
|
4D-10 - Body ground |
R - Body ground |
Roof console box sub-assembly, spot light assembly, vanity light (visor assembly LH), vanity light (visor assembly RH), front footwell light LH and RH (No. 1 interior illumination light assembly), rear footwell light LH and RH (No. 6 interior illumination light sub-assembly) and front console light (interior illumination light sub-assembly) power supply |
DOME CUT relay on |
11 to 14 V |
|
DOME CUT relay off |
Below 1 V |
|||
|
4D-12 - Body ground |
GR - Body ground |
Front door unlock detection switch RH input |
Front door RH locked |
11 to 14 V |
|
Front door RH unlocked |
Below 1 V |
|||
|
4D-13 - Body ground |
W - Body ground |
Front door unlock detection switch LH input |
Front door LH locked |
11 to 14 V |
|
Front door LH unlocked |
Below 1 V |
|||
|
4D-14 - Body ground |
GR - Body ground |
Rear door unlock detection switch LH input |
Rear door LH locked |
11 to 14 V |
|
Rear door LH unlocked |
Below 1 V |
|||
|
4D-24 - Body ground* |
LG - Body ground |
Front door inside handle illumination light assembly LH and RH, center console light (for passenger side) (No. 2 interior illumination light sub-assembly), center console light (for driver side) (No. 3 interior illumination light sub-assembly) and cup holder light (for front side and rear side) (No. 4 interior illumination light sub-assembly) power supply |
Power switch off |
11 to 14 V |
|
4D-29 - Body ground |
LA-G - Body ground |
Illuminated entry system drive output |
Map light LH and map light RH (map light (roof console box sub-assembly)) off (when operated by illuminated entry system) |
11 to 14 V |
|
Map light LH and map light RH (map light (roof console box sub-assembly)) on (when operated by illuminated entry system) |
Below 1 V |
|||
|
4H-19 - Body ground |
LA-B - Body ground |
No. 1 luggage compartment light assembly and courtesy light assembly LH and RH power supply |
DOME CUT relay on |
11 to 14 V |
|
DOME CUT relay off |
Below 1 V |
|||
|
4H-24 - Body ground |
G - Body ground |
Rear door courtesy light switch assembly (for LH) input |
Rear door LH open |
Below 1 V |
|
Rear door LH closed |
11 to 14 V |
|||
|
4H-34 - Body ground |
LA-GR - Body ground |
Luggage compartment door courtesy light switch (luggage compartment door lock assembly) input |
Luggage compartment door open |
Below 1 V |
|
Luggage compartment door closed |
11 to 14 V |
|||
|
G32-20 (LSWR) - Body ground |
L - Body ground |
Rear door unlock detection switch RH input |
Rear door RH locked |
11 to 14 V |
|
Rear door RH unlocked |
Below 1 V |
|||
|
G33-1 (FLCY) - Body ground |
W - Body ground |
Front door courtesy light switch assembly (for LH) input |
Front door LH open |
Below 1 V |
|
Front door LH closed |
11 to 14 V |
|||
|
G33-2 (FLCL) - Body ground |
G - Body ground |
Courtesy light assembly LH drive output |
Courtesy light assembly LH off |
11 to 14 V |
|
Courtesy light assembly LH on |
Below 1 V |
|||
|
G33-3 (FRCL) - Body ground |
L - Body ground |
Courtesy light assembly RH drive output |
Courtesy light assembly RH off |
11 to 14 V |
|
Courtesy light assembly RH on |
Below 1 V |
|||
|
G33-6 (FRCY) - Body ground |
BE - Body ground |
Front door courtesy light switch assembly (for RH) input |
Front door RH open |
Below 1 V |
|
Front door RH closed |
11 to 14 V |
|||
|
G33-14 (ILSW) - Body ground* |
W - Body ground |
Mood switch signal input |
Mood switch off |
11 to 14 V |
|
Mood switch on |
Below 1 V |
|||
|
G33-20 (TCYL) - Body ground |
GR - Body ground |
No. 1 luggage compartment light assembly drive output |
No. 1 luggage compartment light assembly off |
11 to 14 V |
|
No. 1 luggage compartment light assembly on |
Below 1 V |
- *: w/ Mood Switch
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Measure the voltage according to the value(s) in the table below.
|
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
G40-10 (SWIL) - G40-11 (AGND) |
W - BE |
Power switch illumination drive output |
Power switch illumination on |
11 to 14 V |
|
Power switch illumination off |
Below 1 V |
|
|