TERMINALS OF ECU
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
*A |
Main Body ECU (Multiplex Network Body ECU) with 2 Connectors |
- |
- |
*1 |
Main Body ECU (Multiplex Network Body ECU) |
- |
- |
*a |
2 Connectors |
- |
- |
*A |
Main Body ECU (Multiplex Network Body ECU) with 1 Connector |
- |
- |
*1 |
Main Body ECU (Multiplex Network Body ECU) |
- |
- |
*a |
1 Connector |
- |
- |
(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
Click here
(b) Reconnect the instrument panel junction block assembly connectors.
(c) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
MB-11 (GND1) - Body ground |
- |
Ground |
Always |
Below 1 Ω |
MB-30 (ACC) - Body ground |
- |
ACC power supply |
Engine switch on (ACC) |
11 to 14 V |
MB-30 (ACC) - Body ground |
- |
ACC power supply |
Engine switch off |
Below 1 V |
MB-31 (BECU) - Body ground |
- |
Battery power supply |
Always |
11 to 14 V |
MB-32 (IG) - Body ground |
- |
IG power supply |
Engine switch on (IG) |
11 to 14 V |
MB-32 (IG) - Body ground |
- |
IG power supply |
Engine switch off |
Below 1 V |
(d) Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.
Click here
(e) 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 |
---|---|---|---|---|
3D-14 (LSR) - Body ground |
LG - Body ground |
Rear door LH/RH unlock detection switch input |
Rear door LH or RH unlocked |
Below 1 V |
3D-14 (LSR) - Body ground |
LG - Body ground |
Rear door LH/RH unlock detection switch input |
Rear door LH and RH locked |
Pulse generation |
3D-13 (LSFL) - Body ground |
B - Body ground |
Front door LH unlock detection switch input |
Front door LH unlocked |
Below 1 V |
3D-13 (LSFL) - Body ground |
B - Body ground |
Front door LH unlock detection switch input |
Front door LH locked |
Pulse generation |
3D-12 (LSFR) - Body ground |
GR - Body ground |
Front door RH unlock detection switch input |
Front door RH unlocked |
Below 1 V |
3D-12 (LSFR) - Body ground |
GR - Body ground |
Front door RH unlock detection switch input |
Front door RH locked |
Pulse generation |
F15-2 (UL3) - Body ground |
L - Body ground |
Driver door key-linked unlock input |
Driver door key cylinder in neutral position → on (unlock) |
Pulse generation → Below 1 V |
F15-29 (L2) - Body ground |
G - Body ground |
Driver door key-linked lock input |
Driver door key cylinder in neutral position → on (lock) |
Pulse generation → Below 1 V |
F15-6 (FLCY) - Body ground |
R - Body ground |
Front door courtesy light switch (for LH) input |
Front door LH open |
Below 1 V |
F15-6 (FLCY) - Body ground |
R - Body ground |
Front door courtesy light switch (for LH) input |
Front door LH closed |
Pulse generation |
F15-27 (FRCY) - Body ground |
BR - Body ground |
Front door courtesy light switch (for RH) input |
Front door RH open |
Below 1 V |
F15-27 (FRCY) - Body ground |
BR - Body ground |
Front door courtesy light switch (for RH) input |
Front door RH closed |
Pulse generation |
3H-24 (LCTY) - Body ground |
BR - Body ground |
Rear door courtesy light switch (for LH) input |
Rear door LH open |
Below 1 V |
3H-24 (LCTY) - Body ground |
BR - Body ground |
Rear door courtesy light switch (for LH) input |
Rear door LH closed |
Pulse generation |
3A-31 (RCTY) - Body ground |
BR - Body ground |
Rear door courtesy light switch (for RH) input |
Rear door RH open |
Below 1 V |
3A-31 (RCTY) - Body ground |
BR - Body ground |
Rear door courtesy light switch (for RH) input |
Rear door RH closed |
Pulse generation |
3H-34 (BCTY) - Body ground |
SB - Body ground |
Back door courtesy light switch input |
Back door open |
Below 1 V |
3H-34 (BCTY) - Body ground |
SB - Body ground |
Back door courtesy light switch input |
Back door closed |
Pulse generation |
3H-20 (TR+) - Body ground |
Y - Body ground |
Back door lock motor drive output |
Back door closed → open |
Below 1 V → 11 to 14 V → Below 1 V |
3H-8 (ACT-) - Body ground |
LA-B - Body ground |
Door lock motor unlock drive output |
Door control switch or driver door key cylinder off → on (unlock) |
Below 1 V → 11 to 14 V → Below 1 V |
3H-9 (ACT-) - Body ground |
B - Body ground |
Door lock motor unlock drive output |
Door control switch or driver door key cylinder off → on (unlock) |
Below 1 V → 11 to 14 V → Below 1 V |
3H-18 (ACT+) - Body ground |
R - Body ground |
Door lock motor lock drive output |
Door control switch or driver door key cylinder off → on (lock) |
Below 1 V → 11 to 14 V → Below 1 V |
3H-6 (ACT+) - Body ground |
R - Body ground |
Door lock motor lock drive output |
Door control switch or driver door key cylinder off → on (lock) |
Below 1 V → 11 to 14 V → Below 1 V |
3D-4 (ACTD) - Body ground |
B - Body ground |
Door lock motor unlock drive output |
Door control switch or driver door key cylinder off → on (unlock) |
Below 1 V → 11 to 14 V → Below 1 V |
3F-29 (BZR) - Body ground |
L - Body ground |
Wireless door lock buzzer signal |
Wireless door lock buzzer off |
Below 1 V |
3F-29 (BZR) - Body ground |
L - Body ground |
Wireless door lock buzzer signal |
Wireless door lock buzzer on |
Pulse generation |
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the F1 certification ECU (smart key ECU assembly) connector.
(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 |
---|---|---|---|---|
F1-4 (+B) - Body ground |
L - Body ground |
Battery power supply |
Always |
11 to 14 V |
F1-18 (E) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the F1 certification ECU (smart key ECU assembly) connector.
(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 |
---|---|---|---|---|
M67-18 (RCO) - F1-18 (E) |
LG - W-B |
Output to electrical key and TPMS receiver assembly (Power supply for electrical key and TPMS receiver assembly. Certification ECU (smart key ECU assembly) outputs 5 V when receiver starts operating.) |
Procedure:
|
Below 1 V → 4.5 to 5.5 V |
M67-20 (CSEL) - F1-18 (E) |
V - W-B |
Communication channel switching circuit |
Procedure:
|
No pulse generation → Pulse generation |
M67-19 (RDAM) - F1-18 (E) |
GR - W-B |
Electrical key and TPMS receiver assembly communication circuit |
Procedure:
|
11 to 14 pulse generation at regular intervals → Pulse generation |
Toyota CH-R Service Manual > Shift Lever: Precaution
PRECAUTION
IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine Swi ...
Toyota CH-R Service Manual > Front Door Window Frame Moulding: Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration)
that must be performed after parts are removed and installed, or replaced during
the front door window frame moulding removal/installation are shown below.
Necessary Procedure Af ...