TERMINALS OF ECU
*A |
Main Body ECU (Multiplex Network Body ECU) with 1 Connector |
- |
- |
*A |
Main Body ECU (Multiplex Network Body ECU) with 2 Connectors |
- |
- |
CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
(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 |
---|---|---|---|---|
3F-1 - Body ground |
W - Body ground |
Battery power supply |
Always |
11 to 14 V |
3K-1 - Body ground |
B-R - Body ground |
Battery power supply |
Always |
11 to 14 V |
3D-3 - 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 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 |
---|---|---|---|---|
3A-30 - Body ground |
LG - Body ground*1 G - Body ground*2 |
ACC power supply |
Ignition switch ACC |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
3A-17 - Body ground |
GR - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
3D-24*3 - Body ground |
L - Body ground |
Door ambient illumination light RH power supply |
Always |
11 to 14 V |
3D-25*3 - Body ground |
G - Body ground |
Door ambient illumination light LH power supply |
Always |
11 to 14 V |
3D-26*3 - Body ground |
P - Body ground |
No. 1 cup holder illumination light power supply |
Always |
11 to 14 V |
3D-27*3 - Body ground |
R - Body ground |
No. 2 cup holder illumination light power supply |
Always |
11 to 14 V |
3H-19 - Body ground |
L - Body ground |
No. 1 luggage compartment light power supply |
DOME CUT relay on |
11 to 14 V |
DOME CUT relay off |
Below 1 V |
|||
3D-9 - Body ground |
W - Body ground |
Map light assembly, No. 1 room light and vanity lights power supply |
DOME CUT relay on |
11 to 14 V |
DOME CUT relay off |
Below 1 V |
|||
3D-29 - Body ground |
G - Body ground |
Interior lights drive output |
Interior lights off (when operated by illuminated entry system) |
11 to 14 V |
Interior lights on (when operated by illuminated entry system) |
Below 1 V |
|||
3H-24 - Body ground |
BR - Body ground |
Rear door courtesy light switch LH input |
Rear door LH open |
Below 1 V |
Rear door LH closed |
Pulse generation |
|||
3A-31 - Body ground |
BR - Body ground |
Rear door courtesy light switch RH input |
Rear door RH open |
Below 1 V |
Rear door RH closed |
Pulse generation |
|||
F15-6 (FLCY) - Body ground |
R - Body ground |
Front door courtesy light switch LH input |
Front door LH open |
Below 1 V |
Front door LH closed |
Pulse generation |
|||
F15-27 (FRCY) - Body ground |
BR - Body ground |
Front door courtesy light switch RH input |
Front door RH open |
Below 1 V |
Front door RH closed |
Pulse generation |
|||
3D-14*1 - Body ground |
LG - Body ground |
Rear door unlock detection switch input |
Rear door locked |
Pulse generation |
Rear door unlocked |
Below 1 V |
|||
3D-13 - Body ground |
B - Body ground |
Front door unlock detection switch LH input |
Front door LH locked |
Pulse generation |
Front door LH unlocked |
Below 1 V |
|||
3D-12 - Body ground |
GR - Body ground |
Front door unlock detection switch RH input |
Front door RH locked |
Pulse generation |
Front door RH unlocked |
Below 1 V |
|||
F15-25 (BCYL) - Body ground |
Y - Body ground |
No. 1 luggage compartment light drive output |
No. 1 luggage compartment light off |
11 to 14 V |
No. 1 luggage compartment light on |
Below 1 V |
|||
3H-34 - Body ground |
SB - Body ground |
Back door courtesy light switch input |
Back door open |
Below 1 V |
Back door closed |
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) (w/ Smart Key System)
(a) Measure the voltage according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F1-10 (SWIL) - F1-11 (AGND) |
LG - P |
Engine switch illumination drive output |
Engine switch illumination on |
11 to 14 V |
Engine switch illumination off |
Below 1 V |
Toyota CH-R Service Manual > Wireless Door Lock Control System(w/o Smart Key System): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...
Toyota CH-R Service Manual > Rear Shock Absorber: Inspection
INSPECTION
PROCEDURE
1. INSPECT REAR SHOCK ABSORBER ASSEMBLY
(a) Compress and extend the rear shock absorber assembly rod 4 or more times.
Standard:
When compressed and extended at a constant speed, the stroke of the shock absorber
rod is smooth with no abnormal resistance or sounds. When ex ...