Verification of the electroscheme of light
Table of diagnostics of malfunctions V-1. Verification of the electroscheme of a bulb «Raising transfer is switched off»
Electroconducting scheme
G16/J20 engines
Identification of malfunctions
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Step
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Action
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Yes
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No
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1
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Verification of the electroscheme of a bulb «Raising transfer is switched off»:
At the switched-off switch of ignition disconnect hitches from the electronic control unit.
By means of a service wire connect contact of the disconnected hitch of the electronic E61-20 control unit (at G16/J20 engines) and "earth"
The bulb «Raising transfer joins is switched off» at the switched-on ignition key?
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Bad connection of contact E61-20 (at G16/J20 engines). If everything is normal, replace with the serviceable block of electronic control and recheck
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The bulb or faulty conducting of "W/B", “B/W” burned down
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Table of diagnostics of malfunctions V-2. Verification of the electroscheme of the indicator «Raising transfer is switched off» (the indicator «Raising transfer is switched off» burns steadily)
Electroconducting scheme
See. The table B-1 in this Section.
Identification of malfunctions
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Step
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Action
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Yes
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No
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1
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Check a condition of the switch of interruption of raising transfer.
Press the button of the switch of interruption of raising transfer (1)
The bulb «Raising transfer is switched off» burns steadily?
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Pass to a step 2
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System as it should be
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2
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Check the bulb scheme on short circuit
Switch off the ignition key and disconnect sockets of the electronic control unit
Turn on the ignition key
The bulb «Raising transfer is switched off» burns steadily?
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The chain of "W/B" is closed on "earth"
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Pass to a step 3
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3
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Check a chain of the switch of interruption of raising transfer
At the switched-off switch of interruption of raising transfer check resistance between contact E61-33 (at G16/J20 engines) the disconnected socket of the electronic control unit and body grounding
There is a connection?
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Pass to a step 4
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Check a chain of grounding of the electronic control unit on a gap. If a grounding chain as it should be, replace with the serviceable block of electronic control and recheck
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4
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Check operation of the switch of interruption of raising transfer
Remove a console box
Disconnect the socket of the switch of interruption of raising transfer
Check connection between switch contacts in each of given below provisions:
The switch is released: There is no connection
The switch is pressed: There is a connection
Result of check the satisfactory?
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The chain of "Y/R" is closed on "earth"
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Replace the switch of interruption of raising transfer
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Drawing [A] for a step 1
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1 — (When the ignition key is switched on)
Press the button to turn on the switch of interruption of raising transfer.
Again press the button to switch off the switch of interruption of raising transfer.
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Drawing [B] for a step 4
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2 — When the socket of the switch of interruption of raising transfer) is disconnected
Hold кнопу pressed to close switch contacts.
Release the button to break off a chain in switch contacts.
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Table of diagnostics of malfunctions V-3. Verification of the electroscheme of a bulb "Food" (at ignition inclusion the engine is started, and a bulb "Food" does not burn)
Electroconducting scheme
G16/J20 engines
Identification of malfunctions
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Step
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Action
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Yes
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No
|
|
1
|
Check of an electrochain of a bulb "Food":
At the switched-off switch of ignition disconnect hitches from the electronic control unit
By means of a special wire connect to "earth" contact E61-21 (at G16/J20 engines) the disconnected hitch of the electronic control unit
The bulb "Food" joins at the switched-on switch of ignition?
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Bad connection of contact E61-21 (at G16/J20 engines). If everything is all right, replace with the serviceable block of electronic control and recheck
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The bulb or faulty conducting of "GR/Bl", “B/W” burned down
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Table of diagnostics of malfunctions V-4. Verification of the electroscheme of a bulb "Food" (the Food indicator burns steadily)
Electroconducting scheme
See. The table B-3 in this section.
Identification of malfunctions
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Step
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Action
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Yes
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No
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1
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Check position of the switch of switching "Food/norm"
The button of the switch is in "normal" situation?
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Pass to a step 2
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Establish the switching switch "Food/norm" in "normal" situation
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2
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Check a bulb chain on short circuit
Switch off the ignition key and disconnect sockets of the electronic control unit
Turn on the ignition key
The bulb "Food" burns steadily?
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The chain of "GR/Bl" is closed on "earth"
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Pass to a step 3
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3
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Check a chain of the switch of switching "Food/norm"
At the switched-off switch of switching "Food/norm" check resistance between contact E61-31 (at G16/J20 engines) the disconnected hitch of the electronic control unit and body grounding
There is a connection?
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Pass to a step 4
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Check a chain of grounding of the electronic control unit on a gap. If a chain as it should be, replace with the serviceable block of electronic control and recheck
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4
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Check work the switching switch "Food/norm"
Remove the switching switch "Food/norm"
Check connection between “a” and “b” contacts in each situation specified below:
Normal situation: there is no connection
Situation "Food": there is a connection
Result of check the satisfactory?
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The chain of "Or/Bl" is closed on "earth"
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Replace the switching switch "Food/norm"
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Drawing [A] for a step 1
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1 — normal situation
2 — the situation "Food"
3 — to press
4 — again to press to release |
Drawing [B] for a step 4
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5 — the switching switch "Food/norm" |
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