TERMINALS OF ECU
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for TMMT Made)
(a) Disconnect the air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F72-5 (IG+) - Body ground |
B - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F72-29 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F72-1 (B) - Body ground |
V - Body ground |
Battery power supply |
Always |
11 to 14 V |
(c) Reconnect the air conditioning amplifier assembly connector.
(d) Check for pulse generation according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F72-3 (LIN1) - Body ground |
L - Body ground |
Seat heater switch signal |
Ignition switch ON |
Pulse generation |
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for TMC Made)
(a) Disconnect the air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F139-2 (IG+) - Body ground |
B - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F139-4 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F139-1 (B) - Body ground |
V - Body ground |
Battery power supply |
Always |
11 to 14 V |
(c) Reconnect the air conditioning amplifier assembly connector.
(d) Check for pulse generation according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F139-14 (LIN1) - Body ground |
BE - Body ground |
Seat heater switch signal |
Ignition switch ON |
Pulse generation |
CHECK AIR CONDITIONING CONTROL ASSEMBLY
(a) Disconnect the air conditioning control assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F61-16 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F61-10 (IG+) - F61-16 (GND) |
BE - W-B |
IG power supply |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
(c) Reconnect the air conditioning control assembly connector.
(d) Measure the voltage according to the value(s) in the table below.
(e) Check for pulse generation according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F61-2 (LIN1) - F61-16 (GND) |
L - W-B |
Seat heater switch signal |
Ignition switch ON |
Pulse generation |
F61-4 (RV) - F61-16 (GND) |
SB - W-B |
Seat heater switch volume signal |
Ignition switch ON, seat heater switch (for front passenger side) off |
Below 0.6 V |
Ignition switch ON, seat heater switch (for front passenger side) HI |
3.9 to 5.5 V |
|||
Ignition switch ON, seat heater switch (for front passenger side) MID |
3.4 to 4.7 V |
|||
Ignition switch ON, seat heater switch (for front passenger side) LO |
2.5 to 3.5 V |
|||
F61-11 (SW) - F61-16 (GND) |
R - W-B |
Seat heater switch volume signal |
Ignition switch ON, seat heater switch (for front passenger side) off |
Below 1 V |
Ignition switch ON, seat heater switch (for front passenger side) on |
11 to 14 V |
|||
F61-6 (RV) - F61-16 (GND) |
LG - W-B |
Seat heater switch volume signal |
Ignition switch ON, seat heater switch (for driver side) off |
Below 0.6 V |
Ignition switch ON, seat heater switch (for driver side) HI |
3.9 to 5.5 V |
|||
Ignition switch ON, seat heater switch (for driver side) MID |
3.4 to 4.7 V |
|||
Ignition switch ON, seat heater switch (for driver side) LO |
2.5 to 3.5 V |
|||
F61-12 (SW) - F61-16 (GND) |
P - W-B |
Seat heater switch volume signal |
Ignition switch ON, seat heater switch (for driver side) off |
Below 1 V |
Ignition switch ON, seat heater switch (for driver side) on |
11 to 14 V |
Toyota CH-R Owners Manual > Operating the lights and wipers: Headlight switch
The headlights can be operated manually or automatically.
Operating instructions
Turning the
switch
turns on the lights as follows:
For U.S.A.
The headlights, side marker, parking lights, daytime running lights and so on
turn on and off automatically.
(When the engine switch ...
Toyota CH-R Service Manual > Automatic Headlight Beam Level Control System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the automatic headlight
beam level control system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...