1 2 3 4
Background Light Switch Harness
Connector IP13
FE11-5220b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect the background light adjustment switch wiring
harness connector IP13.
(c)
Measure the resistance between background light
adjustment switch IP13 terminal No. 4 and a reliable ground.
Standard Resistance: Less than 1 Ω
(d)
Connect the regulator switch harness connector IP13.
Is the resistance normal?
No
The circuit between the IP13 terminal No. 4
and a reliable ground is open.
Yes
Step 6
Replace the background light adjustment switch. Refer to the
Adjustment Switch and Headlamp Height Adjustment Switch Replacement
.
11.3.6.13 The Screen Is Not Dimmed When The Park Lamps Are On
Schematic:
Navigation Panel Background Light Is Not On When The Park Lamps Are On.
Diagnostic Steps:
Step 1
Navigation panel switch background light normal?
No
Background Light Is Not On When The Park
Lamps Are On.
diagnostic step.
Yes
Step 2
Check the navigation unit internal settings.
(a)
Enter into the navigation interface display settings.
(b)
Check the display settings whether the automatic mode is set
to "on"
No
Set the display settings automatic mode to
"on".
Yes
Step 3
Check the navigation unit power circuit and ground circuit.
(a)
Refer to
Radio Control Can Not Be Turned On
Power circuit and ground circuit normal?
No
After diagnostic, go to Step 1.
11-56
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Body Electric
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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