1993 FORD MONDEO window

12•46 Wiring diagrams
Diagram 22: Electric mirrors and (front) electric window
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Wiring diagrams 12•47
12
Diagram 23: Electric sunroof and (front and rear) electric windows
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REF•6Fault Finding
Engine 1
m mEngine backfires
m mEngine difficult to start when cold
m mEngine difficult to start when hot
m mEngine fails to rotate when attempting to start
m mEngine hesitates on acceleration
m mEngine idles erratically
m mEngine lacks power
m mEngine misfires at idle speed
m mEngine misfires throughout the driving speed range
m mEngine noises
m mEngine rotates but will not start
m mEngine runs-on after switching off
m mEngine stalls
m mEngine starts but stops immediately
m mOil pressure warning light illuminated with engine running
m mStarter motor noisy or excessively-rough in engagement
Cooling system 2
m
mCorrosion
m mExternal coolant leakage
m mInternal coolant leakage
m mOvercooling
m mOverheating
Fuel and exhaust systems 3
m
mExcessive fuel consumption
m mExcessive noise or fumes from exhaust system
m mFuel leakage and/or fuel odour
Clutch 4
m
mClutch fails to disengage (unable to select gears)
m mClutch slips (engine speed increases with no increase
in vehicle speed)
m mJudder as clutch is engaged
m mNoise when depressing or releasing clutch pedal
m mPedal travels to floor - no pressure or very little resistance
Manual transmission 5
m
mJumps out of gear
m mLubricant leaks
m mNoisy in neutral with engine running
m mNoisy in one particular gear
m mVibration
Automatic transmission 6
m
mEngine will not start in any gear, or starts in gears
other than Park or Neutral
m mFluid leakage
m mGeneral gear selection problems
m mTransmission fluid brown, or has burned smell
m mTransmission slips, shifts roughly, is noisy, or
has no drive in forward or reverse gears
m mTransmission will not downshift (kickdown) with
accelerator fully depressed
Driveshafts 7
m mClicking or knocking noise on turns (at slow speed on full-lock)
m mVibration when accelerating or decelerating
Braking system 8
m
mBrake pedal feels spongy when depressed
m mBrakes binding
m mExcessive brake pedal effort required to stop vehicle
m mExcessive brake pedal travel
m mJudder felt through brake pedal or steering wheel when braking
m mNoise (grinding or high-pitched squeal) when brakes applied
m mRear wheels locking under normal braking
m mVehicle pulls to one side under braking
Suspension and steering systems 9
m
mExcessive pitching and/or rolling around corners, or during
braking
m mExcessive play in steering
m mExcessively-stiff steering
m mLack of power assistance
m mTyre wear excessive
m mVehicle pulls to one side
m mWandering or general instability
m mWheel wobble and vibration
Electrical system 10
m
mBattery will not hold a charge for more than a few days
m mCentral locking system inoperative, or unsatisfactory in operation
m mElectric windows inoperative, or unsatisfactory in operation
m mHorn inoperative, or unsatisfactory in operation
m mIgnition warning light fails to come on
m mIgnition warning light remains illuminated with engine running
m mInstrument readings inaccurate or erratic
m mLights inoperative
m mWindscreen/tailgate washers inoperative, or unsatisfactory in
operation
m mWindscreen/tailgate wipers inoperative, or unsatisfactory in
operation
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REF•12
Battery will not hold a charge more than a few days
m mBattery defective internally (Chapter 5).
m mBattery electrolyte level low (Chapter 1).
m mBattery terminal connections loose or corroded (Chapter 5).
m mAuxiliary drivebelt worn or incorrectly-adjusted (Chapter 1).
m mAlternator not charging at correct output (Chapter 5).
m mAlternator or voltage regulator faulty (Chapter 5).
m mShort-circuit causing continual battery drain (Chapters 5 and 12).
Ignition (no-charge) warning light remains
illuminated with engine running
m mAuxiliary drivebelt broken, worn, or incorrectly-adjusted (Chapter 1).
m mAlternator brushes worn, sticking, or dirty (Chapter 5).
m mAlternator brush springs weak or broken (Chapter 5).
m mInternal fault in alternator or voltage regulator (Chapter 5).
m mBroken, disconnected, or loose wiring in charging circuit (Chapter 5).
Ignition (no-charge) warning light fails to come on
m
mWarning light bulb blown (Chapter 12).
m mBroken, disconnected, or loose wiring in warning light circuit
(Chapters 5 and 12).
m mAlternator faulty (Chapter 5).
Lights inoperative
m
mBulb blown (Chapter 12).
m mCorrosion of bulb or bulbholder contacts (Chapter 12).
m mBlown fuse (Chapter 12).
m mFaulty relay (Chapter 12).
m mBroken, loose, or disconnected wiring (Chapter 12).
m mFaulty switch (Chapter 12).
Instrument readings inaccurate or erratic
Instrument readings increase with engine speed
m
mFaulty voltage regulator (Chapter 12).
Fuel or temperature gauges give no reading
m
mFaulty gauge sender unit (Chapters 3 or 4).
m mWiring open-circuit (Chapter 12).
m mFaulty gauge (Chapter 12).
Fuel or temperature gauges give continuous maximum reading
m mFaulty gauge sender unit (Chapters 3 or 4).
m mWiring short-circuit (Chapter 12).
m mFaulty gauge (Chapter 12).
Horn inoperative, or unsatisfactory in operation
Horn fails to operate
m
mBlown fuse (Chapter 12).
m mCable or cable connections loose, broken or disconnected (Chapter 12).
m mFaulty horn (Chapter 12).
Horn emits intermittent or unsatisfactory sound
m
mCable connections loose (Chapter 12).
m mHorn mountings loose (Chapter 12).
m mFaulty horn (Chapter 12).
Horn operates all the time
m
mHorn push either earthed or stuck down (Chapter 12).
m mHorn cable to horn push earthed (Chapter 12).
Windscreen/tailgate wipers inoperative or
unsatisfactory in operation
Wipers fail to operate, or operate very slowly
m mWiper blades stuck to screen, or linkage seized or binding (Chapter 12).
m mBlown fuse (Chapter 12).
m mCable or cable connections loose, broken or disconnected (Chapter 12).
m mFaulty relay (Chapter 12).
m mFaulty wiper motor (Chapter 12).
Wiper blades sweep over too large or too small an area of
the glass
m mWiper arms incorrectly-positioned on spindles (Chapter 1).
m mExcessive wear of wiper linkage (Chapter 1).
m mWiper motor or linkage mountings loose or insecure (Chapter 12).
Wiper blades fail to clean the glass effectively
m
mWiper blade rubbers worn or perished (Chapter 1).
m mWiper arm tension springs broken, or arm pivots seized (Chapter 1).
m mInsufficient windscreen washer additive to adequately remove road
film (Chapter 1).
Windscreen/tailgate washers inoperative, or
unsatisfactory in operation
One or more washer jets inoperative
m mBlocked washer jet (Chapter 1).
m mDisconnected, kinked or restricted fluid hose (Chapter 1).
m mInsufficient fluid in washer reservoir (Chapter 1).
Washer pump fails to operate
m
mBroken or disconnected wiring or connections (Chapter 12).
m mBlown fuse (Chapter 12).
m mFaulty washer switch (Chapter 12).
m mFaulty washer pump (Chapter 12).
Washer pump runs for some time before fluid is emitted
from jets
m mFaulty one-way valve in fluid supply hose (Chapter 12).
Electric windows inoperative, or unsatisfactory in
operation
Window glass will only move in one direction
m mFaulty switch (Chapter 12).
Window glass slow to move
m
mIncorrectly-adjusted door glass guide channels (Chapter 11).
m mRegulator seized or damaged, or in need of lubrication (Chapter 11).
m mDoor internal components or trim fouling regulator (Chapter 11).
m mFaulty motor (Chapter 12).
Window glass fails to move
m
mIncorrectly-adjusted door glass guide channels (Chapter 11).
m mBlown fuse (Chapter 12).
m mFaulty relay (Chapter 12).
m mBroken or disconnected wiring or connections (Chapter 12).
m mFaulty motor (Chapter 12).
Central locking system inoperative, or
unsatisfactory in operation
Complete system failure
m mBlown fuse (Chapter 12).
m mFaulty relay (Chapter 12).
m mBroken or disconnected wiring or connections (Chapter 12).
Latch locks but will not unlock, or unlocks but will not lock
m
mFaulty master switch (Chapter 11).
m mBroken or disconnected latch operating rods or levers (Chapter 11).
m mFaulty relay (Chapter 12).
One lock motor fails to operate
m
mBroken or disconnected wiring or connections (Chapter 12).
m mFaulty lock motor (Chapter 11).
m mBroken, binding or disconnected latch operating rods or levers
(Chapter 11).
m mFault in door latch (Chapter 11).
Fault Finding
10 Electrical system
Note:For problems associated with the starting system, refer to the faults listed under “Engine”earlier in this Section.
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REF•18Index
E
Earth fault - 12•4
Economy/Sport mode switch - 12•7
ECU (Electronic Control Unit) - 6•10, 6•11,
6•12
EGR exhaust gas pressure differential
sensor - 6•16
EGR system - 6•15, 6•16
Electric shock - 0•5
Electric windows fault - REF•12
Electrical system - 0•8, 1•11, 1•20
Electrical system fault - REF•12
Electrically-operated windows - 12•7
Electrolyte - 1•8
Electronic control system - 4•9, 6•2
Emblems - 11•17
Emission checks - 0•10
Emissions control systems - 6•1
Engine compartment light - 12•11
Engine electrical systems- 5•1et seq
Engine fault finding - REF•7, REF•8, REF•10
Engine management system - 4•8, 4•9
Engine oil - 1•2, 1•6, 1•16
Engine oil level sensor - 12•18
Engine removal and general engine
overhaul procedures- 2B•1et seq
Environmental considerations - REF•4
Evaporative emissions control (EVAP)
system - 6•14
Evaporator - 3•9
Exhaust gas pressure differential sensor -
6•11, 6•12, 6•13
Exhaust Gas Recirculation (EGR) system -
6•15, 6•16
Exhaust manifold - 2A•8
Exhaust system - 0•9, 0•10, 1•18, 4•12,
REF•9
Expansion tank - 3•5, 3•6
FFacia - 11•21, 11•23
Fan(s) - 3•4, 12•11
Fault code read-out - 6•6
Fault finding- REF•6et seq
Fault finding - automatic transmission -
7B•1
Fault finding - electrical system - 12•4
Filling - 11•3
Fire - 0•5
Fluid level checks - 1•6
Flywheel - 2A•24
Foglight - 12•7, 12•9, 12•13
Foglight warning indicator - 12•11
Fuel and exhaust systems- 0•10, 4•1et
seq
Fuel and exhaust system fault finding -
REF•9
Fuel consumption high - REF•9
Fuel cut-off switch - 4•8
Fuel filter - 1•26
Fuel gauge - 4•6
Fuel gauge fault - REF•12
Fuel hoses - 1•15
Fuel injection system - 4•8, 4•9
Fuel injectors - 4•10
Fuel lines - 1•19, 4•2
Fuel odour - REF•9Fuel pressure check - 4•5
Fuel pressure regulator - 4•11
Fuel pump - 4•5, 4•6
Fuel rail - 4•10
Fuel system - 4•2
Fuel tank - 4•7, 4•8
Fume or gas intoxication - 0•5
Fumes from exhaust system - REF•9
Fuses - 12•5
G
Gaiters - 1•18, 8•7, 8•9, 10•21
Gashes in bodywork - 11•3
Gaskets - REF•4
Gear lever - 7A•2
Gear selection problems - REF•9, REF•10
Gearbox oil - 1•2
Gearchange linkage - 7A•2
Gearchange selector shaft - 7A•3
Glossary of technical terms - REF•13
Glovebox - 11•22
Glovebox light - 12•11
Grab handle - 11•20
H
Handbrake - 0•7, 9•16, 12•7
Handles - 11•10, 11•11, 11•12, 11•13,
12•11
Hazard flashers - 12•7, 12•11
HC emissions - 0•10
Headlight - 1•8, 12•7, 12•8, 12•12, 12•13
Heated rear window - 12•8
Heated seat - 12•8
Heated windscreen - 12•8
Heater - 3•2, 3•7, 3•8, 12•11, 12•12
Horn - 12•7, 12•15
Horn fault - REF•12
Hoses - 1•14, 3•2, 9•11
HT leads - 1•24
Hub and bearings - 10•5, 10•9, 10•14
Hydraulic fluid - 1•2
Hydraulic pipes and hoses - 9•11
Hydraulic system - 9•12
Hydraulic tappets - 2A•14
Hydrofluoric acid - 0•5
I
Idle speed - 4•9, 4•11, 6•10
Idle-increase solenoid valve - 4•12
Ignition coil - 5•3
Ignition module - 5•4
Ignition switch - 12•6
Ignition system - 5•3
Ignition timing - 5•4, 6•10
In-car engine repair procedures- 2A•1et
seq
Indicators - 12•7, 12•9, 12•12
Information sensors - 6•10
Inlet manifold - 2A•7
Instrument panel - 12•7, 12•11, 12•14
Instruments - 1•20
Instruments fault - REF•12
Intake air temperature sensor - 6•11, 6•13
Introduction to the Ford Mondeo - 0•4
J
Jacking - 0•11
Joint mating faces - REF•4
Jump starting - 0•12
K
Knuckle - 10•5, 10•10, 10•14
L
Leaks - 0•13, 1•14, REF•9
Light units - 12•12
Lights - 12•7, 12•11
Lights inoperative - REF•12
Locknuts, locktabs and washers - REF•4
Locks - 11•6, 11•10, 11•12, 11•13, 11•15,
11•16, 11•17, 12•6, REF•12
Low air temperature warning sender unit -
12•18
Low coolant warning switch - 12•18
Low washer fluid switch - 12•18
Lower suspension arm - 10•8, 10•9, 10•13,
10•16
Lubrication system - 2A•4
Luggage compartment switch - 12•7
M
Main bearings - 2B•18, 2B•20
Maintenance- Also see Routine
maintenance
Maintenance - bodywork and underframe -
11•2
Maintenance - upholstery and carpets -
11•3
Manifolds - 2A•7, 2A•8
Manual transmission- 1•17, 2A•24, 2B•3,
2B•4, 7A•1et seq
Manual transmission fault finding - REF•9
Manual transmission oil - 1•2
Master cylinder - 9•10
Mirrors - 0•7, 11•14, 12•7
Misfire - REF•7, REF•8
Mixture - 0•10, 4•9
MOT test checks- 0•7et seq
Mountings - 2A•24, 7A•7, 7B•5
N
Number plate light - 12•10, 12•13
O
Oil (transmission) - 1•2
Oil (engine) - 1•2, 1•6, 1•16
Oil cooler - 2A•22
Oil level sensor - 2A•22, 12•18
Oil pressure warning light illuminated -
REF•8
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REF•19Index
Oil pressure warning light switch - 2A•22
Oil pump - 2A•21
Oil seals - 2A•13, 2A•22, 7A•2, 7B•3, REF•4
Oil separator - 6•19
Open-circuit - 12•4
Overcooling - REF•8
Overhead console - 11•22
Overheating - REF•8
Oxygen sensor - 6•11, 6•12, 6•13
P
Pads - 9•3, 9•8
Pedals - 1•17, 4•5, 8•3, 9•10, 9•11
Piston rings - 2B•19
Pistons - 2B•12, 2B•17, 2B•21, 2B•22
Pitching and/or rolling around corners -
REF•11
Plastic components - 11•4
Plenum chamber - 4•3
Poisonous or irritant substances - 0•5
Pollen filter - 1•20, 3•8
Position sensor - 5•4, 6•10, 6•11, 6•12
Positive Crankcase Ventilation (PCV)
system - 1•23, 6•18, 6•19
Power steering - 1•8, 1•10, 6•11, 6•12,
6•13, 10•20, 10•21, 10•22
Power steering fluid - 1•2
Pressure-control relief valve - 9•13
Pressure-cycling and pressure-regulating
switches - 3•10
Project vehicles - 0•4
Pulse-air - 6•17, 6•18
Purge solenoid valve - 6•14
R
Radiator - 3•4, 3•5
Radiator grille - 11•5
Radio - 12•21, 12•22
Radio aerial - 12•22
Reading light - 12•11
Rear light cluster - 12•9, 12•13
Rear window - 12•8, 12•21
Relays - 12•5
Repair procedures - REF•4
Resonator (engine compartment) - 4•3
Respraying - 11•3
Reversing light switch - 7A•3
Road test - 1•20
Roadwheels - 1•17, 1•18, 1•20
Roll-over valves - 4•8
Routine maintenance and servicing- 1•1et
seq
Rubber gaiters- 1•18, 8•7, 8•9, 10•21
Rust holes in bodywork - 11•3
S
Safety first! - 0•5
Scalding - 0•5
Scratches in bodywork - 11•3
Screw threads and fastenings - REF•4
Seat belts - 0•8, 1•13, 11•19, 11•20Seats - 0•8, 11•18, 12•8
Selector assembly - 7B•2
Selector cable - 7B•2
Selector lever position sensor - 7B•2
Selector panel illumination - 12•11
Service indicator - 12•17, 12•18
Servo unit - 9•12, 9•13
Shock absorbers - 0•8, 0•9, 10•14
Shoes - 9•6
Short-circuit - 12•4
Sidelight - 12•9
Solenoid renewal - 5•8
Spare parts - REF•5
Spark plugs - 1•23
Speakers - 12•22
Speed control - 12•20
Speed sensor - 6•11, 6•12, 6•13
Speedometer - 7A•2, 7A•3, 7B•2, 7B•3,
12•15
Springs - 0•9
Starter motor - 5•7
Starter motor fault - REF•7
Starting system - 5•6
Steering - 0•7, 0•8, 0•9, 1•17, 1•20
Steering angles - 10•22
Steering column - 10•18, 10•20
Steering fault - REF•11
Steering knuckle - 10•5
Steering wheel - 10•17
Stop-light switch - 9•15
Striker - 11•13
Struts - 10•6, 10•7, 10•10, 10•12
Sump - 2A•19
Sun visor - 11•20
Sunroof - 11•18, 12•7
Suspension and steering systems- 0•8,
0•9, 1•17, 1•18, 1•20, 10•1et seq
Suspension and steering systems fault
finding - REF•11
Switches - 2A•22, 3•4, 3•5, 3•10, 4•8-
6•11, 6•12, 6•13, 7A•3, 9•15, 11•17,
12•6, 12•7, 12•8, 12•11, 12•18, 12•20
T
Tailgate - 1•8, 1•10, 11•15, 11•16, 12•17,
12•20, REF•12
Tappets - 2A•14
TCS inhibitor switch - 9•15
TCS throttle actuator - 9•15
Temperature gauge fault - REF•12
Thermostat - 3•3, 3•4
Throttle actuator - 9•15
Throttle housing - 4•9
Throttle potentiometer - 6•11, 6•13
Tie-bar - 10•13, 10•16
Timer module - 12•5
Timing - 5•4, 6•10
Timing belt - 1•26, 2A•10, 2A•13
Tools - REF•1, REF•3, REF•4
Top Dead Centre (TDC) for No 1 piston -
2A•6
Towing - 0•11
Track rod end - 10•22Traction Control System - 9•15, 12•7
Transmission- 1•11, 1•17, 2A•24, 2B•3,
2B•4, 7A•1 et seq, 7B•1 et seq, 12•11
Trim mouldings - 11•17
Trim panels - 11•6, 11•20
Trip computer - 12•17
Tyre wear - REF•11
Tyres - 0•10, 1•8
U
Underbody check - 1•19
Upper suspension arm - 10•16
V
Vacuum hoses - 1•15
Vacuum servo unit - 9•12, 9•13
Valve clearances - 2A•5
Valves - 2B•10, 2B•11
Vehicle identification - 0•8, REF•5
Vehicle pulls to one side - REF•10, REF•11
Vehicle speed sensor - 6•11, 6•12, 6•13
Ventilation system - 1•20, 3•7
Voltage regulator - 5•6
W
Warning lights - 12•11
Warning system - 12•17
Washer jets fault - REF•12
Washer nozzle - 12•21
Washer pump fault - REF•12
Washer reservoir and pump - 12•20
Washer system - 1•8, 1•10, 12•18, 12•20
Water pump - 3•6
Weights - 0•6
Wheel alignment - 10•22
Wheel arch liner - 11•24
Wheel bearings - 0•9
Wheel changing - 0•11
Wheel cylinders - 9•8
Wheel sensors - 9•14
Wheel wobble - REF•11
Wheels - 0•10, 1•17, 1•18, 1•20
Wheels locking - REF•11
Window glass - 11•8
Window regulator - 11•9
Windows - 11•17, 12•7, 12•8, 12•21,
REF•12
Windscreen - 0•7, 1•8, 1•10, 11•17, 12•6,
12•8, 12•16, 12•20, 12•21, REF•12
Wiper arms - 12•16
Wiper blade - 1•10
Wiper blade fault - REF•12
Wiper motor - 12•16, 12•17
Wipers - 12•6
Wiper fault - REF•12
Wiring - 1•15
Wiring diagrams- 12•23et seq
Working facilities - REF•3
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