DESCRIPTION
The illumination intensity of the combination meter is increased by turning the knob of the light control rheostat upward, and decreased by turning the knob downward.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (LIGHT CONTROL RHEOSTAT) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Data List.
(e) Read the Data List according to the display on the Techstream.
(1) Combination Meter.
Body Electrical > Combination Meter > Data List
Tester Display |
Measurement Item |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Tail Cancel SW |
Tail cancel switch/ OFF or ON |
OFF: Tail cancel switch off ON: Tail cancel switch on |
- |
Rheostat value |
Rheostat value/ Min.: 0 Max.: 100 |
Light control rheostat switch is Dark (0) → Bright (100) |
Unit: % |
Tester Display |
---|
Tail Cancel SW |
Rheostat value |
Result |
Proceed to |
---|---|
The Data List values of ECUs match. |
A |
The Data List values of ECUs do not match. |
B |
A | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
|
2. |
INSPECT LIGHT CONTROL RHEOSTAT |
(a) Remove the light control rheostat
Click here
(b) Inspect the light control rheostat
Click here
NG | ![]() |
REPLACE LIGHT CONTROL RHEOSTAT |
|
3. |
CHECK HARNESS AND CONNECTOR (LIGHT CONTROL RHEOSTAT - COMBINATION METER ASSEMBLY) |
(a) Disconnect the F4 combination meter assembly connector.
(b) Disconnect the F128 light control rheostat connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F4-25 (SW1) - F128-7 (T) |
Always |
Below 1 Ω |
F4-26 (SW2) - F128-3 (RV) |
Always |
Below 1 Ω |
F4-20 (SW3) - F128-1 (E) |
Always |
Below 1 Ω |
F4-24 (TC) - F128-5 (TC) |
Always |
Below 1 Ω |
Standard Resistance (Check for Short):
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F4-24 (TC) - Body ground |
Always |
10 kΩ or higher |
F4-25 (SW1) - Body ground |
Always |
10 kΩ or higher |
F4-26 (SW2) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Owners Manual > Using the driving support systems: LDA (Lane Departure Alert with steering control)
Summary of functions
When driving on highways and freeways with white (yellow) lines, this function
alerts the driver when the vehicle might depart from its lane and provides assistance
by operating the steering wheel to keep the vehicle in its lane.
The LDA system recognizes visible white (ye ...
Toyota CH-R Service Manual > Audio And Visual System(for Radio Receiver Type): No Sound can be Heard from Speakers
PROCEDURE
1.
CHECK SETTINGS
(a) Check radio receiver assembly setting.
(1) Check that the volume is not set to "0".
OK:
The volume is not set to "0".
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
...