Chapter M Electrical0001P - rrtechnical.info

1 WORKSHOP MANUAL Chapter M _____ Rolls-Royce and Bentley Cars Rolls-Royce Silver Spirit Rolls-Royce Silver Spur Rolls-Royce Camargue Rolls-Royce Corniche Bentley Mulsanne Bentley Corniche Bentley Continental Bentley Eight Bentley Mulsanne Turbo Bentley Turbo R Electrical system _____ TSD 4400 September 2006 WORKSHOP MANUAL Chapter M Issue record sheet 1 December 1 985 Ttte dates quoted blow refer to the issue date of indbdividunl pages within this Chapter . Sections 1 W M3 1 M4 1 Page Na I Page No. I Page Na Mt-l Aug 05 May 85 M2-23 May85 M3-1 Sep 85 M4-1 Nov 85 M2-2 Aug85 M2-3 Jui 85 M2-4 JuI 85 M2-5 Aug 85 M2-6 Aug 85 M2-7 Aug 85 M2-8 M2-9 M2- 10 M2-7 1 M2-12 M2-13 M2-14 M2-15 M2-16 M2-17 M2-18 M2-19 M240 M2-2 1 M2-22 M2-24 May 05 Jan 85 M2-25 May 85 Jan85 M2-26 - May 85 May 85 May 85 May 85 Jan 05 Jan 85 May 85 May 85 May 85 P.

2 May 85 Dec 85 Jul85 - Jut 85 - Jut 85 - Ju185 Jul85 - Jut 85 M5 I M6 1 I M8 Page Na I Page NO. Page Na I Page No. M5-1 Contents Dec85 M7-1 bee85 M8-1 Jul85 M52 M6-1 Feb 81' M7-2 M8-2 Dec 85 MS-3 Dee 85 M6-2 M7-3 Mar 82 .MS-3 Jan 85 Dec 85 ME-3 Feb 81 M7-4 M8-4 3ul84 M64 - M7-5 Aug 82 MS-5 M7-6 - M8-6 M 7-7 Feb 83 M8-7 M7-8 Feb 83 M8-8 M8-9 M8-10 MS-1 1 MS-1 2 M&-1 3 MB-l4 MB-15 M8-16 MS-1 7 M8-18 MS-1 9 M8-20 MS-2 1 M8-22 Jan 85 Jan 85 Jan 85 Jan 85 Jan 85 Jan 85 Jan 85 Jan 85 Jan 85 Jan 85 - Nov. 85 Nov 85 Nov 85 .- Apr 85 Apr 85 Apr 85 Apr 85 Jul85 - Jut 85 Jul85 1 I 1 I I TSD 4400 WORKSHOP MANUAL -W M hue record sheet 2 December 1 9 8 5 The dates quoted below refer to the issue date of individual pages within this Chapter . M1 W1 - Page No. M1 2/1-1 r)ec 85 M13-1 Dec 85 M141 Aug 85 M14-17/1 Aug 85 M12/1-2 Dec85 M13-2 Dec85 M14-2 Dec85 M10-17/2- MlUl-3Nw84 M13-3 Jun83 M14-3 Jut81 Mt4-17/3A~85 M12/1-4 - M13-4 - M164 - M1 4-1 714- M12/1-5 Nov84 M13-5 Jun83 M14-5 -81 M14-19 Jun83 M12/1-6 p M13-6 - M14-6 - M14-20 M13-7 Jvn83 M14-7 Dec81 Ml4-21 Jun83 M13-8 - M14-8 - Ml4-22 - M14-7/1 Aug85 M14-23 Jun 83 Ml&7/2 p M1 4-24 - M '1 4-7/3 Aug 8 S M14-7/4 - M149 Jul81 M14-10 - Ml4-1 l Juf 81 Ml4-12 - Ml4-13 Jul81 M14-14 - M1 4-1 5 Jun 83 M14-16 - Ml4-17 Jun83 M14-18 - v M9 1 MID Pagc No.

3 I Page No. , M71 1 M12 Fa e No. Page Na M9-t Jul85 M9-25 .jan 85 Conrents Dec 85 ~$1-l Jul85 M12-l Jul85 ~ Dec85 M9-26 - M10-1 Apr81 Mtl-2 Dec85 M12-2 Dec85 ~g-3 Dec 82 M9-27 Jan 85 MtP2 - M1 1-3 May 83 Ml2-3 NW 84 M9-4 - M9-28 M10-3 Apr 81 M1 1-4 - M124 - 82 M9-29 Jan 85 - M? 1-5 May 83 M124 NW 84 M9-6 - M9-30 - M104 m81 Mlt-6 M1206 p MS-7 Dee 82 M9-29/1 Ju185 M10-6 - M1 1-7 May 83 M12-7 Jul85 MS-8 - M9-29/2 - M10-7 Octet Mll-8 - M12-8 - ~g-g Dec 82 M9-29/3 Jul8S M10-8 Ml1-9 Apr85 Mt2-9 Juf85 ~ M9-29/4 - Mlt-10 - M12-10 - ~ Dec 82 M9-29/5 Jul 85 M11-11 Apr85 ~ - M9-29/6 - M1 1-12 - ~ Dec 82 Ju185 M11-13 Jd85 ~9-14 - M9-29/8 Mlf-14 - MS-15 Dec 82 M9-29/9 Jul85 Mll-15 Jul85 ~9-16 - M9-29/10- M1 1-16 - M9-17 NOW 84 M9-29/11 Jui 85 ~9-18 - M9-29/12- ~9-19 Jan 85 M9-29/73 Jul85 M9-20 - M9-29/14- ~9-21 Jan 85 M9-31 Nov 84 M9-22 - M9-32 M9-23 Jan 85 M9-24 - WORKSHOP MANUAL Chaput M Sections lssue record sheet 3 December 1 985 The dates quoted below refer to the issue date of individual pages within this Chapter .

4 I mis 1 m16 m17 1 Page No. l Page Na 4 Page No- 1 M15-1 Dee85 M15-11 May81 M16-1 Nw85 M171 Ap85 Mf7-17 Jul82 M15-2 Dec85 M15-12 - M16-2 Dec85 Mf7-2 Dec85 M17-l8 - M15-2/1 Dec85 M15-13 May 81 M16-3 Jan 84 M17-3 Jul82 M17-19 Jul82 M1 5-W2 Ml5-14 - M16-4 - M174 --L. Mt7-20 M15-3 May81 M15-13/1 .tan85 M16-5 Jan 84 M17-5 Jul82 M17-21 Oct82 M15-4 - M15-f3/2- M16-6 - M17-6 - Mlf-22 May 81 Jan 85 May 81 - May 81 . Jan 85 Jan 85 Jan B5 - M1 5-1 3/3 Jan 85 M1 5-1 3/4 - M15-15 May81 M15-l6 - M15-17 May81 Mtf-l8 - M1 5-1 7/1 Jan 85 M1 7/2 - M1 5-1 ?/3 Jan 85 M1 5-1 714 - M15-19 May81 Ml5-20 - Ml5-21 May81 M15-22 - M1 5-2 1 /l Jan 85 M15-21/2 - M1 521/3 Jan 85 M1 5-21/4 - Jan 84 M1 7-7 Apr 85 - M17-8 - Nw85 M17-9 Apr85 - M17-10 - Nw85 M17-11 Apt85 - M17-12 Nav85 M17-l3 Apr85 - M17-14 M1 7-1 3/1 Apr 85 M1 7-IW2- M1 7-1 W3 Apr 85 M1 7-1 3/4- M1 7-1 3/5 Apr 85 M17-13/6- MI 7-13fi Apr 85 M17-13/8- M17-15 Jul82 Ml7-16 - M18-2 Dec85 M19-2 M18-3 May 83 M19-3 M18-4 - M19-4 M1 8-5 May 83 M1 9-5 MI8-6 - M19-6 M18-7 May83 Mt9-7 M18-8 - M19-8 M1 9-9 Mt 9-10 M19-11 M19-12 M19-13 M1 9-14 M1 0 1 M19 Page No.

5 I Page No. Det 85 Dec 8 1 M20 ( M21 Page NR ( Page No. Feb 83 M18-1 Dec85 M19-1 Dec85 M20-1 Dw85 M21-1 Jt~l85 May 83 - May 83 May 83 Dec 85 Feb 83 Feb 83 Feb 83 Feb 83 Nw84 M21-2/1 Dec 05 M2 M21-3 Jan 84 M214 - M21-5 Jan 84 M21-6 - M2107 Jul85 M21-8 - M21-3 JuI 85 M2t*tO - M21-11 Jul85 M21-12 - M21-t3 Jul85 M21-l4 - M2 1-1 W1 Jul85 M21 -1 3/2 - M21-130 Ju~ 85 M21-1 W4 - M2 1-1 W5 Jul85 M21-tW6 - WORKSHOP MANUAL M Issue record sheet 4 Februaty 1986 Thb dams qud below refer to the issue date of individual pages wMin this chaprer. Sections L I Page Na M22-1 M22-2 M22-3 M224 M22-5 M22-6 M22-7 . M22-8 M22-9 M22-10 M22-11 M22-12 M22- 1 3 M22-t4 M22-15 M22-16 M22-17 M22-18 M22-19 M22-20 M22-2 1 M22-22 Feb 86 Gec 85 kug 83 Aug 83 Aug 83 Aug 83 Aug 83 Feb 86 .- Feb 86 Feb 86 Feb 86 1 M23 1 MW1 [ M24 - U he Na I Page Na [ Page Na Feb 86 Feb 86 Feb 86 Feb 86 - Feb 86 Feb 86 Feb 86 Feb 86 -85 M23/1-1 Ju185 Dec85 M2311-2 -85 Jun 83 -1-3 NW 84 M2914 - Jun 83 M2311-5 NW S4 - M2Wl-6 - Jun 83 M2W1-7 Ju185 - M23/1-8 - M23/1-9 Jul85 M23/1-16 - Apr 85 Dec 85 feb 83 7 Feb 83 M25 1 MZ~ 1 M27 I M28 I Page No.))]]

6 I Page Na I Page Na I Page Na I M25-'I Dec 85 M261 Sep85 M2&f Aug 85 M25-2 M26-2 Dec85 M282 M25-3 May 83 M263 Sep 85 M25-4 - M26-4 - M25-5 May 83 M264 Sep85 M254 - M26-6 - M26-7 Sep 85 M26-8 - M26-9 Sep85 M26-10 - WORKSHOP MANUAL Chapter M Issue record sheet 5 February 1986 T hh daes quoted bdow refer to the issue date of individual psges within this chaptec Sections Oa 85 Oct 85 Oct 85 - Oct 85 - Oct 85 Oa 85 Oct 85 1 M29 9 I I Page No. 1 1 WORKSHOP MANUAL Electrical system Contents Sections Silver Spirit Silver Spur M dsanne M1 M1 M2 M2 M3 M3 M4 M4 M5 M5 M6 M6 M7 M7 m8 m8 M9 M9 M10 M10 M11 M11 m1 2 m12 MfW1 MlYl Muhnne Turbo M1 Comiche/ Continental M? M2 M3 Bentley Turbo R M1 M2 M3 M4 M5 d M7 M8 M9 - M1 1 - MlVl General information Relays Power diskibution systrrn Starting system Ignition system ~hargjng system Gearchange actuator Speed canwol system Windscreen wipers and washers Fog lamps Headlamps Headlamp wipers and washers Headlamps pawer wash Direction indicators and Hazard warning system Stop, reversing.

7 Siddposition and tail lamps Interior lamps and seat belts warning Panel lamps Warning lamps and instruments Cigar lighters and Fuel filler door release Audio equipment Front seats Centralized door ioeking system W~ndow lifts and division glass lift Rear view door mirrors Door mirror heaters and rear window demist Horns Power operated hood . Cellular telephone Special torque tightening figures Workshop tools - Mtl M12 Applicable only to Silver 'Spur limousine WORKSHOP MANUAL Contents Component identification Cable identification Connector code L&-hand drive cars Idemifimbn of fuses ' and fuseboards Toeboard connections Test equipment Guides to electrical diagnosis Fitting electrical accessories Special precautions Pages Sihrsr Spirit Silw Spur Mulsanm M1-3 M1-3 Mt-3 M1-3 M1 -4 M1-4 M 1-5 M1-5 M1-6 Mt-6 General Information Mulsanne Turbo M1 -3 Bentley Eight M1-3 Comichd Continental M1 -3 M1-3 WORKSHOP MANUAL Section M 1 M1 -3 General information Introduction The circuit diagrams wntained in this Chapter have been deuised to provide both a theoretical and practical approach to fault diagnosis.

8 Wih the exception of Section M3 (which prwides details of the way in whrch power is distributed through the electricat system ). each section contains details of individual circuits or system & Also contain& within each settion is information regarding the lmtion of components. The electrical system is 12 vok negative earth. All vottages ouoted in this Chapter are diren cumem (dc) unless athewise specrfied If when using the diagrsm component and connector codes. any doubt exists concerning the descript~on or Iowtion of items connected with the bodywork of the car. reference should be made to Chaprer S. Sectlon S1 . Information on the electrical circuits/components of the air condirioning synem and emission control systems are contained in Chapter C and Chapter U respectrvelw **:- Switch 13 position) - uCC Float switch Pressure switch (fridge] Temperature switch (open position] Temperature switch closed position) a thermally operated Caf.

9 Circuit breaker Component identification The more commonly used components of the electrical system are represented on The wiring diagrams by the following symbols. Headlamps sequencing relay l B Moror Relay Diode Current flow left to right Diode Current flow right TO left Bu'gi'' VPe fuse 20~ Fur* ming E3l 8 Fuse number ? Zenner diode Linel or BUSS type fuse U Cable connections 10A Fuse nrmg C4 Fuse number F2 Fuseboard 2 TSD 4400 4ug"sl 1985 Solenoid m. - - ---l Cigar iighmr Resistance Lamp. single filament Lamp. dual filament Speed signal generator Earth poinr Potentiometer Suppressor Buzzer Cable plug/socket connection Heating element Splice connection Cabb identification Cables are plasiic cwered and can be identified using the following codes. B Black P Purple Battery G Green R Red Battery master swirch K Pink S Slate LG Light green U Blue N Brown W White 0 Orange Y Yeftow Horn WORKSHOP MANUAL Section M 1 M1 -5 Connector cads Connection Left-hand 'A' post My plugs and sockets tefr-hand 'A' post door plugs and sockets Automatic air conditioning main distribution loom plug and socket Automatic air condit~oning switch plug and socket 2 Luggage compartment plug end socket Automatic air condiiianing servo ptug and socket Left-hand from door solenoid plug and socket Bwst hiter control unit Brake pressure and murte~v light delay unit plug and socket Speed control beflows unit DI plug and socket L&-hand headlamps 2-way plug Left-hand headlamps 3-way plug Left-hand interior famps Loom plug and socket Left-hand tuggage comparrment lid plug and socket.

10 Cootant levet amplifier plug Circuit breaker board connetxion Circuit breaker board Lucar terminal Luggage compartment lid plug and socket Luggage compartrnem lid terminal block Circuit breaker board plugs teh-hand front door mirror plug and sockn Combined sensor plug and socket 01 (Engine cabtant and washer fluid) Digital instruments plug Lock micreswitch plugs and sockets Dow micmswitch plug andsocket Left-hand mirror switch plug and socket Lefr-hand mirror heater plug and socket Engine comparrrnent valance loom plugs and sockets Leh-hand rear door 5-way plug and socket Fusebnard connection Left-hand rear door 7-way plug and socket .- Fuseboard plugs Fq lamps switch plug and socket Left-hand rear door solenoid plug and sock? Gearchange actuator plug and soclre? 1 Left-hand seat loom plug and socket Gearchange actuator plug and 'or socket 2 L&-hand seat switch plug and sacker Horns control switch plug and socket Left-hand meboard sockets Hood lift switch plug and soeker Left-hand toeboard connections Headlamp wiper motor plug and socket Main diode board plugs Halard warning switch plug and socket Main distribution loom socket tnurior tamps delay unit plug Oil check &itch piug and socket July 1.