DESCRIPTION
The radio and display receiver assembly receives a reverse signal from the park/neutral position switch.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK VEHICLE SIGNAL (OPERATION CHECK) |
(a) Enter the "Vehicle Signal Check Mode" screen. [Refer to Check Vehicle
Signal in Operation Check (Click here
|
|
(b) Check that the display changes between ON and OFF according to the shift lever position.
HINT:
This display is updated once per second. As a result, it is normal for the display to lag behind the actual shift lever position.
OK:
Shift Lever Position |
Display |
---|---|
R |
ON |
Except R |
OFF |
ON | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Disconnect the radio and display receiver assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F129-28 (REV) - Body ground |
Engine switch on (IG), shift lever in R |
7.5 to 14 V |
F129-28 (REV) - Body ground |
Engine switch on (IG), shift lever not in R |
Below 1 V |
OK | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
|
3. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - PARK/NEUTRAL POSITION SWITCH) |
(a) Disconnect the F129 radio and display receiver assembly connector.
(b) Disconnect the C36 park/neutral position switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F129-28 (REV) - C36-2 (RL) |
Always |
Below 1 Ω |
F129-28 (REV) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - PARK/NEUTRAL POSITION SWITCH) |
(a) Disconnect the park/neutral position switch connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
C36-1 (RB) - Body ground |
Engine switch on (IG) |
11 to 14 V |
OK | ![]() |
REPLACE PARK/NEUTRAL POSITION SWITCH |
NG | ![]() |
REPAIR OR REPLACE HARNESS AND CONNECTOR |
Toyota CH-R Service Manual > Meter / Gauge System: Operating Light Control Rheostat does not Change Light Brightness
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 ...
Toyota CH-R Service Manual > Blind Spot Monitor 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 ...