Toyota 4Runner: Display does not Dim when Light Control Switch is Turned ON
PROCEDURE
|
1. |
CHECK IMAGE QUALITY SETTING |
(a) Turn the light control switch to the tail or head position.
(b) Check that the daytime screen setting on the display adjustment screen is set to on.
|
Result |
Proceed to |
|---|---|
|
Daytime screen setting is set to on. |
A |
|
Daytime screen setting is set to off. |
B |
| A | .gif) |
CHANGE DAYTIME SCREEN SETTING TO OFF |
|
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|
2. |
CHECK VEHICLE SIGNAL (OPERATION CHECK) |
|
(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle
Signal in Operation Check (See page |
|
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(b) Check that the display changes between ON and OFF according to the light control switch operation.
OK:
|
Light Control Switch |
Display |
|---|---|
|
Tail or head |
ON |
|
Off |
OFF |
HINT:
The display is updated once per second. It is normal for the display to lag behind the actual switch operation.
| OK | |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
| NG | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Illumination for Panel Switch does not Come on with Tail Switch ON
PROCEDURE
1.
CHECK VEHICLE SIGNAL (OPERATION CHECK)
(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal
in Operation Check (Se ...
Panel Switches do not Function
PROCEDURE
1.
CHECK PANEL SWITCH
(a) Check for foreign matter around the switches that might prevent operation.
OK:
No foreign matter is found.
NG
...
Other materials about Toyota 4Runner:
Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 second ...
Short to GND in CAN Bus Line
DESCRIPTION
There may be a short circuit between the CAN bus lines and GND when the resistance
between terminals 6 (CANH) and 4 (CG) or terminals 14 (CANL) and 4 (CG) of the DLC3
is below 200 Ω.
Symptom
Trouble Area
...
0.0052