Jaguar XJ6 series 3 Schematic Drawings http://www.skjagtech.co.uk 1979-1986 Document date 15-May-2006
Contents Head, Side and Fog light Schematic 3 Headlamp wash wipe 4 Cruise Control 4 Wash wipe Reverse Park Lucas 5 Window lift 6 Electrically operated door mirrors 6 Flasher indicators 7 Radio, 7 Aerial, 7 oot / Trunk lights 8 Interior Lights 8 ulb failure warning 8 Door Lock/Unlock (central locking) 9 Heated backlight 9 Small item Schematic 10 Trip Computer 11 Instruments 11 DISCLAIMER Should you decide to undertake work on any system covered in these documents, SK Jagtech accept no liability for damage to the vehicle or personal injuries however caused. The information in this document is provided to help explain and provided reference material. We are geared up with the right equipment and have trained knowledgeable staff who can perform maintenance and fault finding on your Jaguar and it is recommend that you leave any technical work to a suitable specialist firms if you are in any way unsure of a procedure. You are always welcome to contact us for advice.
Jaguar XJ6 S3 Head, Side and Fog light Schematic Terminal post N U Main N Headlamp inhibit relay U/R R/O R/U Fog lamp switch Fuse 1 Fog lamp warning lamp Main relay U Headlamp flash Front Fog lamps R/Y Fuse 5 Dip eam Fuse 3 Rear Fog Lamps R/U Outer Inner Fuse 4 Main eam U/W Main beam warning lamp Fuse 2 Fibre Optic Lamp Cigar lighter eneric Diagram Panel Lamps and Clock Lamps Alternative to computer harness if fitted earbox selector Rheostat Fuse 7 Different models are cabled differently and therefore this diagram is a generic curcuit that should help trace a fault. Side marker NAS F parking Side marker NAS F parking Fuse 15 Fuse 14 ulb failure unit front As data becomes available we will add additional diagrams to cover the differences in switch gear extra Rear tail No plate Rear lamp in-line fuse ulb failure unit left rear To Caravan Socket Rear tail No plate Rear lamp in-line fuse ulb failure unit right rear Warning lamp blocking diodes ulb Failure lamp To Caravan Socket To Stop lamp failure unit 3
Jaguar XJ6 S3 Headlamp wash wipe & Cruise Control U Wash Wipe Relay Windscreen Washer Pump Wiper Motor Right Washer switch U Diode Pack Pektron lue 1 3 4 2 5 Headlight washer pump Wiper Motor Left UR To headlight Dip beam W To headlight main beam ellows and actuator solenoid valves YO YW rake Operated switch Y YO To stop lamp switch R P Control YW YW Y Fuse 17 Speed Control Interface ECU Y Y NW S N Transducer N N YP Inhibit NY K W Kickdown Solenoid Set W Kickdown To fuse 5 4
Jaguar XJ6 S3 wash wipe Reverse Park Lucas A C A Intermittent/ flick wipe 7-3-1 & 5-6 Fast Wipe 1-4 & 27 C Slow Wipe 1-5 & 2-7 D Off 1-7 and 5-6 Schematic explained This is a Jaguar idea here (don t blame us) The black lines A,, C and D are used to show which contacts 1-7 are conected in which ever mode is in use. For example Slow=1-5 and 2-7 Fast=1-4 and 2-7 elow are two other variations 1 designed by us which are provided to get the point across 2 7 3 1 4 5 6 D W R U Delay Unit O Wiper Motor Park Run Off/Park U/ Off/Park W/ U/ Fast W/ R/ / R/ / Slow K/ K/ / / Fast U/ Slow W/ U/ Intermitant W/ R/ / R/ / Intermitant K/ K/ / / 5
Jaguar XJ6 S3 Window lift and mirrors Schematic motion and yes for some bizare reason known only to the engineers at Lucas the motor is live on both sides at rest. Up Rest Down Pins 1&3 + Pins 2&6 + Pins 1&3 - Pins 2&6 + 1 2 3 1 2 3 Pins 1&3 + Pins 2&6-1 2 3 Front Rear rear Rear front 6 7 8 6 7 8 6 7 8 Thermal Front Rear rear Rear front PUS PKS RH mirror switch RH Vertical Motor RH Horizontal Motor To Fuse 8 PNS PS PUS PKS LH mirror switch LH Vertical Motor LH Horizontal Motor To Fuse 8 PNS PS 6
Jaguar XJ6 S3 Flasher indicators Radio, Aerial, oot lights Acoustic unit U P NO Fuse 2 To terminal post Flasher Unit UNKNOWN Hazard N W U To fuse 5 locking diode LH Warning Lamp locking diode N Hazard warning lamp Flasher RH Warning lamp LH repeater RH repeater LH Rear indicator RH Rear indicator LH Front indicator RH Front indicator Caravan Socket Caravan Socket WK In Line Fuse Radio - CD/Tape Clock where fitted 3 2 WK 1 4 5 Delay relay unit UR UW Aerial NP oot Light S 30/51 86 87a 85 Fig 1 87 86 85 30/51 87a 87 Fig 2 Lucas with ISO numbering Omiting Mast Delay For those who don t want the 10 sec delay for the mast to retract or who have a faulty delay module: Substitute with a change over relay (Part no REL7D available from us) and wire it in as per the relay schematic shown in fig 1. Note that the pin configuration is different on a standard ISO relay than on the Lucas delay module, fig 2. 7
Jaguar XJ6 S3 Interior Lights and ulb failure Interior Light Map Light Delay unit Drivers Lamp oot light Passenger Lamp P locking Diode PW LH Door Puddle Lamp Fuse 3 To Terminal Post Puddle Lamp Puddle Lamp RH Door Puddle Lamp WY Warning Lamp Failure Unit Reservoir brake switch PDWA S Y Y NOTE: This diagram is full of factory drawing errors (awaiting correction by S&K Jagtech) rake Warning Lamp Oxygen Warning Lamp RH Stop Lamp W W Handbrake Warning Lamp W Handbrake LH Stop Lamp Y Stop Lamp failure Warning Unit P P To Foot rake To ulb Failure unit via diode To Ignition S WY To Stop Lamp bulb failure unit 8
Jaguar XJ6 S3 Door Lock/Unlock and heated backlight Thermal breaker NR N N P OW OR OU O Actuators (LUCAS SYSTEM) LOCK UNLOCK Front Front Rear Rear OOT OR OR OR O O rounded through solenoid body oot/trunk locks only but can be wired to unlock by adding a 2mmsq cable as shown in green Control Delay Unit Fuse 12 To Ignition switch protection Relay acklight Warning Lamp 9
Jaguar XJ6 S3 Small item Schematic Coolant warning Schematic W Fuse 4 Vacuum Delay Schematic Overcharge Schematic Warning Light Control Unit WU WR WU WR Low Coolant Warning Lamp To Ignition switch Delay Unit Warning Light Control Unit Coolant Temp Sensor PW 2 3 4 S NS 5 To Positive Supply To Ignition 2 3 way solenoid valve 3 2 way solenoid valve 4 Solenoid air valve 5 Coolant temp Seat elt Warning Schematic Logic Unit Aircon Cooling Fan XJ6 Schematic To engine Loom connector RHS lower wing valance /U AC Aux Fan /U W To ignition sw O Horn Sw To Fuse 11 Horn Relay NR To fuse 2 P To Door K N PY To Compressor Clutch IN4001 Diode Orange wire shows the modification to make the fan run whenever the AirCon Compressor is running Red Relay LH of Rad 30/51 87a 87 86 85 N Horn Schematic Horn PY Horn Thermo in RH lwr side of Radiator N/ To Fuse 1 To Fuse 11 10
Jaguar XJ6 S3 Trip Computer and Instruments Schematic Trip Computer 10:30 Connector Connector O Interface Unit Y P RU Terminal Post To Sidelamps To fuse 4 Y To ECU pin 26 Transducer Y Y To Speedometer To fuse 4 Temperature Oil pressure Fuel attery Tachometer U WN O WS Coolant temperature sender Oil pressure transmitter Fuel tank sender Low fuel warning WS w To ignition switch To Amplifier 11