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B1020 fault Roof can't function

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Sun roof won't close 2004 Ford Explorer


The roof opening panel is an electronically operated panel that can be opened or closed by the roof opening panel switch. Actuating the switch in either a forward or rearward motion supplies a ground to the roof opening panel motor. The vent and soft-stop functions are controlled by the roof opening panel motor. These positions are obtained when an internal motor cam opens the roof position switch, removing the ground from the switch. The roof opening panel has an express open feature activated when the switch is pressed momentarily. The roof opening panel is closed by continuous activation of the switch until the sunroof stops movement. This function is controlled by the roof opening panel motor.

Visual Inspection Chart Mechanical Electrical
  • Roof opening panel
  • Opening shield
  • Roof panel frame
  • Opening shield guide feet
  • Central junction box (CJB) fuses:
    • 2 (20A)
    • 29 (5A)
  • Battery junction box (BJB) fuse 1 (60A)
  • Accessory delay relay
  • Roof opening panel control switch
  • Circuitry
  • Roof opening panel motor

  • The roof opening panel does not open or close
  • Central junction box (CJB) fuse:
    • 2 (20A).
    • 29 (5A).
  • Battery junction box (BJB) fuse 1 (60A).
  • Circuitry.
  • Roof opening panel control switch.
  • Roof opening panel motor.
  • Go To Pinpoint Test E .

Do the power windows and power locks work ?

E6 CHECK VOLTAGE TO THE ROOF OPENING PANEL MOTOR - CIRCUITS 400 (LB/BK) AND 1173 (BN/OG)
  • Key in OFF position.
  • Disconnect: Roof Opening Panel Motor C920.
  • Key in ON position.
  • NOTE: Activate accessory delay relay for this check.
  • Measure the voltage between roof opening panel motor C920-4, circuit 400 (LB/BK), and ground; and between roof opening panel motor C920-7, circuit 1173 (BN/OG), and ground.
  • Are the voltages greater than 10 volts?
Yes
GO to E7 .

No
REPAIR circuit 400 (LB/BK) or circuit 1173 (BN/OG). TEST the system for normal operation. If you can't do electrical testing , there is a manual way to close it .
Roof Opening Panel Manual Operation
  1. Remove the overhead console. For additional information, refer to Overhead Console in this section.
  1. Insert a hex-head screwdriver in the center of the manual drive slot to depress the release pin. Rotate the screwdriver clockwise until the roof opening panel is closed.

Jan 13, 2017 | 2004 Ford Explorer

1 Answer

Switch for 2006 chevy ssr "roof hall switch fault" ?


most times scrap yards have switches and relays at a good price

Aug 28, 2014 | Cars & Trucks

1 Answer

Loud pop coming from roof area possible around sun roof


remove the headlining then squirt some foam filler behind the support bars ,i think they may be flexing causing the noise as this sort of fault is common the rover 75

Nov 12, 2012 | 2006 Cadillac DTS

1 Answer

My a4 audi convertables roof has jammed what do i do wont close back


Can you first look in the owners manual , there is a procedure for simple solutions .

If there is a problem with the shelf in the trunk the roof will not function properly.

open the trunk and pull the lever , does the shelf move up and down or is it jammed .

If it does not work the shelf needs replacement .

Ascan tool may be needed to read ant logged faults .

Jun 23, 2010 | 2004 Audi A4

1 Answer

Recently replaced the battery in my wife's 04 Solara. Now the sunroof will not work "automatically" like it did before. I now have to hold the button, when I only had to press and hold for a second before....


INITIALIZATION
1. INITIALIZATION OF SLIDING ROOF MOTOR
(a) The sliding roof AUTO operation and the jam protection function may not operate normally if the battery
is disconnected/reconnected, replaced or recharged. Initialize the sliding roof system using the method
below.
(1) Turn the ignition switch ON.
(2) Initialize the sliding roof by pressing and holding the TILT UP switch until the roof glass tilts upward
fully (the roof glass automatically tilts downward slightly after fully tilting upward).
(3) Release the switch.
HINT:
If the battery terminal is disconnected, the moon roof control ECU may not detect the position of the roof
glass. If the sliding roof AUTO operation is still disabled even after the sliding roof drive gear has been initialized,
the hall IC may be malfunctioning. The hall IC is built into the sliding roof drive gear and detects the
roof glass position.
If the result is not as specified, replace the drive gear assy (moon roof control ECU).

Apr 26, 2010 | 2004 Toyota Solara

2 Answers

My CRX roof wont go up and down with the switch on the dash, yet the boot lid goes up with the key, cheecked fuses ok, cheecked plug and control box fault LED flashed seven times and then later on flashed...


7 blinks (roof lock switch,not operated by user)
9 blinks (rear window switch not operated by user)
These codes mean user has not undone roof locks or rear window is not fully closed
Providing that is not your problem,reset roof control unit
Turn ignition off
In under bonnet fuse box remove fuse 32 7.5 amp for 20 seconds
Refit fuse and check roof operation
This clears codes and resets roof

Apr 11, 2010 | Honda del Sol Cars & Trucks

1 Answer

Audi Convertible Roof broken


i can,t see why all these should need to be replaced,you need to get a more detailed report of what exactly they want to replace and for what reason in my experience dealerships dealing with roof faults will replace parts one by one untill the problem is fixed and surely the dealer should cover the cost of the repair if the roof faulted after only 3 weeks

Aug 06, 2009 | 2003 Audi A4 Cabriolet

1 Answer

Saab 900 convertible roof not functioning properly


what's going on ??
stuck ??
jerking ??

May 24, 2008 | 1995 Saab 900

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