1990 VOLKSWAGEN CORRADO fuse box

I - SYSTEM/COMPONENT TESTS
Article Text (p. 8)
1990 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Thursday, March 23, 2000 09:46PM
FUEL PUMP RELAY (FOX)
1) Ensure fuel pump fuse (No. 13) is okay. Remove fuel pump
relay. Note terminals numbers molded on fuse/relay panel. With
ignition on, check for battery voltage between the following
locations:
* Terminal No. 46 and ground
* Terminal No. 48 and ground
2) If voltage is not present, current is not reaching the
relay. Repair wiring. Check fuel pump operation. If voltage is
present, check for battery voltage between the following locations:
* Terminals No. 48 and No. 50
* Terminals No. 46 and No. 50
If voltage is not present, terminal No. 50 (ground circuit)
is open. Repair wiring. Check fuel pump operation.
3) If voltage is present, check for battery voltage between
terminals No. 50 and No. 51. If voltage is not present, the ignition
signal is not reaching fuel pump relay. Repair wiring. Check fuel pump
operation.
4) If no faults can be found and fuel pump operates when
relay is by-passed, replace fuel pump relay. For fuel pump and fuse
number/location, see FUEL PUMP RELAY & FUSE NUMBER table.
FUEL PUMP RELAY (CORRADO)
1) Ensure fuel pump fuse No. 18 is okay. Remove fuel pump
relay No. 12 from fuse/relay panel. See Fig. 6. With ignition on,
check for battery voltage between the following locations:
* Terminal No. 6 and ground.
* Terminal No. 2 and ground.
* Terminals No. 6 and No. 4.
2) If battery voltage is not present, check wiring and repair
as needed. Check fuel pump operation. With ignition off, connect
voltmeter between terminals No. 2 and No. 3. Turn ignition on. Voltage
should be present for one second. If voltage is not present for one
second, check wiring to ECU or replace ECU. Check fuel pump relay
operation. For fuel pump and fuse number/location, see FUEL PUMP RELAY
& FUSE NUMBER table.
FUEL PUMP RELAY (VANAGON)
1) Check terminal No. 30 and terminal No. 86 of fuel pump
relay for battery voltage. If battery voltage is not present, check
circuit for short or open circuit.
2) If battery voltage is present, remove relay and attach
ohmmeter probe to relay box terminal No. 85. Attach other probe to

I - SYSTEM/COMPONENT TESTS
Article Text (p. 9)
1990 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Thursday, March 23, 2000 09:46PM
ground. Continuity should be present while cranking engine.
3) If continuity is not present, check for continuity between
terminal No. 85 of fuel pump relay and terminal No. 3 of ECU
connector. If continuity is present, circuit is okay but ECU is not
switching to ground. Replace ECU and install fuel pump relay.
4) If fuel pump will not operate, turn ignition switch OFF
and then ON position. Ensure battery voltage is present at fuel pump
relay No. 87 for about 5 seconds after ignition is switched on. If
battery voltage is not present, replace fuel pump relay. If battery
voltage is present, check voltage supply and ground circuit of fuel
pump. If fuel pump wiring is okay, replace fuel pump.Fig. 7: Fuel Pump Relay Circuit Schematic (Vanagon)
Courtesy of Volkswagen United States, Inc.
FUEL PUMP RELAY & FUSE NUMBER TABLEÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄApplication Relay No. Fuse No.
Cabriolet ...................... 2 ............................. 5
Corrado, Golf GL/GTI,
Jetta & Jetta GLi ............ 12 ............................ 18
Fox ........................... 10 ............................ 13
Vanagon ...................... (1) ......................... (2)
(1) - Relay located in relay box left side of engine compartment.
Fused through the AFC-Digifant II ECU control relay.
(2) - Fuse and terminal No. molded into plastic fuse box housing.
ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ FUEL DELIVERY
NOTE: For FUEL SYSTEM PRESSURE TESTING, see F - BASIC
TESTING article.

MAINTENANCE INFORMATION
Article Text (p. 16)
1990 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Thursday, March 23, 2000 09:48PM
WARNING: Always disconnect battery ground cable before servicing
"high-current fuses. It is recommended that "high-current"
fuses be replaced by a qualified technician.
Fuse & Circuit Breaker Identification
1 - 10 Amp (Red)
Left Low Beam
2 - 10 Amp (Red)
Right Low Beam
3 - 10 Amp (Red)
Instrument Lights, License Plate Lights
4 - 15 Amp (Blue)
Rear Window Wiper, Sliding Roof
5 - 15 Amp (Blue)
Windshield & Rear Window Washer, Windshield Wiper
6 - 20 Amp (Yellow)
Air Conditioner, Fresh Air Fan
7 - 10 Amp (Red)
Right Tail & Side Lights
8 - 10 Amp (Red)
Left Tail & Side Lights
9 - 20 Amp (Yellow)
Rear Window Defroster, Mirror Heating
10 - 15 Amp (Blue)
Foglights
11 - 10 Amp (Red)
Left High Beam, High Beam Indicator
12 - 10 Amp (Red)
Right High Beam
13 - 10 Amp (Red)
Horn, Radiator Fan
14 - 15 Amp (Blue)
Back-Up Lights, Electric Mirrors, Heated Washer Jets
15 - 10 Amp (Red)
Electronic Ignition, Idle Stabilizer,
Deceleration Fuel Shut Off
16 - 15 Amp (Blue)
Warning/Indicator Lights, Multi-Function Indicator, Glove Box
Light, Cassette Storage Light, Rear Spoiler Control Unit
17 - 10 Amp (Red)
Emergency Flashers, Turn Signals
18 - 20 Amp (Yellow)
Fuel Pump, Heated Oxygen Sensor
19 - 30 Amp (Green)
Radiator Fan, Air Conditioner
20 - 10 Amp (Red)
Brake Lights, Cruise Control
21 - 15 Amp (Blue)
Dome & Luggage Compartment Lights, Cigarette Lighter, Clock
Central Locking System, Multi-Function Indicator,
Rear Spoiler Adjustment, Engine Diagnostic

MAINTENANCE INFORMATION
Article Text (p. 18)
1990 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Thursday, March 23, 2000 09:48PM
WARNING: Always disconnect battery ground cable before servicing
"high-current fuses. It is recommended that "high-current"
fuses be replaced by a qualified technician.
Fuse & Circuit Breaker Identification
1 - 10 Amp (Red)
Left Low Beam
2 - 10 Amp (Red)
Right Low Beam
3 - 10 Amp (Red)
Instrument Lights, License Plate Lights
4 - 15 Amp (Blue)
Rear Window Wiper, Sliding Roof
5 - 15 Amp (Blue)
Windshield & Rear Window Washer, Windshield Wiper
6 - 20 Amp (Yellow)
Air Conditioner, Fresh Air Fan
7 - 10 Amp (Red)
Right Tail & Side Lights
8 - 10 Amp (Red)
Left Tail & Side Lights
9 - 20 Amp (Yellow)
Rear Window Defroster, Mirror Heating
10 - 15 Amp (Blue)
Foglights
11 - 10 Amp (Red)
Left High Beam, High Beam Indicator
12 - 10 Amp (Red)
Right High Beam
13 - 10 Amp (Red)
Horn, Radiator Fan
14 - 15 Amp (Blue)
Back-Up Lights, Electric Mirrors, Heated Washer Jets
15 - 10 Amp (Red)
Crankcase Ventilation Heating Element
16 - 15 Amp (Blue)
Warning/Indicator Lights, Multi-Function Indicator, Glove Box
Light, Cassette Storage Light, Rear Spoiler Control Unit
17 - 10 Amp (Red)
Emergency Flashers, Turn Signals
18 - 20 Amp (Yellow)
Fuel Pump, Heated Oxygen Sensor Control
19 - 30 Amp (Green)
Radiator Fan, Air Conditioner
20 - 10 Amp (Red)
Brake Lights, Cruise Control
21 - 15 Amp (Blue)
Dome & Luggage Compartment Lights, Cigarette Lighter, Clock
Central Locking System, Multi-Function Indicator,
Rear Spoiler Adjustment
22 - 10 Amp (Red)

MAINTENANCE INFORMATION
Article Text (p. 20)
1990 Volkswagen Corrado
For Volkswagen Technical Site: http://vw.belcom.ru
Copyright © 1998 Mitchell Repair Information Company, LLC
Thursday, March 23, 2000 09:48PM
WARNING: Always disconnect battery ground cable before servicing
"high-current fuses. It is recommended that "high-current"
fuses be replaced by a qualified technician.
Fuse & Circuit Breaker Identification
1 - 10 Amp (Red)
Left Low Beam
2 - 10 Amp (Red)
Right Low Beam
3 - 10 Amp (Red)
Instrument Lights, License Plate Lights
4 - 15 Amp (Blue)
Rear Window Wiper, Sliding Roof
5 - 15 Amp (Blue)
Windshield & Rear Window Washer, Windshield Wiper
6 - 20 Amp (Yellow)
Air Conditioner, Fresh Air Fan
7 - 10 Amp (Red)
Right Tail & Side Lights
8 - 10 Amp (Red)
Left Tail & Side Lights
9 - 20 Amp (Yellow)
Rear Window Defroster, Mirror Heating
10 - 15 Amp (Blue)
Foglights
11 - 10 Amp (Red)
Left High Beam, High Beam Indicator
12 - 10 Amp (Red)
Right High Beam
13 - 10 Amp (Red)
Horn, Radiator Fan
14 - 15 Amp (Blue)
Back-Up Lights, Electric Mirrors, Heated Washer Jets
15 - 10 Amp (Red)
Crankcase Ventilation Heating Element
16 - 15 Amp (Blue)
Warning/Indicator Lights, Multi-Function Indicator, Glove Box
Light, Cassette Storage Light, Rear Spoiler Control Unit
17 - 10 Amp (Red)
Emergency Flashers, Turn Signals
18 - 20 Amp (Yellow)
Fuel Pump, Heated Oxygen Sensor
19 - 30 Amp (Green)
Radiator Fan, Air Conditioner
20 - 10 Amp (Red)
Brake Lights, Cruise Control
21 - 15 Amp (Blue)
Dome & Luggage Compartment Lights, Cigarette Lighter, Clock
Central Locking System, Multi-Function Indicator,
Rear Spoiler Adjustment
22 - 10 Amp (Red)