Wiring and Circuit Protection (18.01)
Electric Distribution/E lectronic Control (18.00)
18-1-12 Workshop Manual May 2007
Header Latch Harness-Renew (Roadster
Only)
Removal
1. Remove header assembly (see Workshop Manual
procedure 01.05.BB Panel Assembly - Header - Renew).
2. Release insulation from head er latch motor (see Fig. 1).
3. Cut 2 cable ties securing wiring harness to motor
mounting bracket (see Fig. 2).
4. Disconnect 2 motor multiplugs. 5. Remove 3 P-clip screws secu
ring harness to roof header,
release clips from harness (see Fig. 3).
6. Release 4 Velcro straps securing harness to tension strap (see Fig. 4).
7. Remove 1 of the screws securing harness to roof frame.
8. Mark position of B-post trim.
Repair Operation Time (ROT)
Warning
To prevent damage to electrical components, always
disconnect the vehicle battery when working on the
vehicle's electrical system. Th e earth lead (- ve) must be
disconnected first and reconnected last.
Fig. 1
Fig. 2
Fig. 3
Fig. 4
Wiring and Circuit Protection (18.01)
Electric Distribution/Electronic Control (18.00)
May 2007 Workshop Manual 18-1-15
4. Disconnect battery.
5. Cut cable ties securing pipes and wires to cylinder (see Fig. 2).
6. Release clips securing hall effect sensors to cylinder,
disconnect sensors and remove cylinder.
7. Release fir tree clip and cab le tie securing pipes and
harness to roof frame.
8. Attach string to cylinder end of both pipes to aid installation.
9. Feed pipes through to tonneau area by carefully guiding through roof mechanism and re lease string (see Fig. 3).10. Cut cable ties securing pipes and wires to cylinder (see
Fig. 4).
11. Release clips securing hall effect sensors to cylinder, disconnect sensors and remove cylinder.
12. Release fir tree clip and cable tie securing pipes and harness to roof frame.
13. Attach string to cylinder end of both pipes to aid
installation.
14. Feed pipes through to tonneau area by carefully guiding through roof mechanism and release string (see Fig. 5).
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Wiring and Circuit Protection (18.01)
Electric Distribution/Electronic Control (18.00)
May 2007 Workshop Manual 18-1-21
10. Move tonneau well liner ar ound lower cylinder fixing
and motor casing and secure velcro
11. Install trim clip and positi on tonneau lining stiffening
rod.
12. Install Hall sensors and secure with clips.
13. Secure pipes/wires to cylinder with cable ties.
14. Connect multiplug.
15. Install valve to support bracket, reposition bracket.
16. Install cable tie securing valve to bracket. Ensure no pipes or wiring will foul roof mechanism.
17. Install harness/pipe retaining clips (x9) behind ROPS units.
18. Install harness/pipe re taining clips LH (x2).
19. Install harness/pipe re taining clips RH (x3).
20. Feed harness into passenger compartment and connect multiplugs (LH).
21. Feed harness into passenger compartment, connect multiplugs and secure to body (RH).
22. Connect multiplug (RH).
23. Connect HRW multiplug.
24. Attach pipes to guide string, feed harness through roof frame and remove string.
25. Position Hall sensors to cyli nder and secure with clips.
26. Secure pipes and wires to cylinder with cable ties
27. Install p-clips and strap to harness and secure to frame with screws.
28. Install harness under keeper plate, install and tighten screws
29. Install new clips securi ng pipes to roof frame.
30. Install lower cover.
31. Attach pipes to guide string, feed harness through roof frame and remove string.
32. Position Hall sensors to cyli nder and secure with clips.
33. Secure pipes and wires to cylinder with cable tie.
34. Install new clips securi ng pipes to roof frame.
35. Attach pipes to guide string, feed harness through roof frame and remove string.
36. Position Hall sensors to cyli nder and secure with clips.
37. Secure pipes and wires to cylinder with cable tie.
38. Install new clips securi ng pipes to roof frame.
39. Connect battery.
40. Install Quarter trim LH (see Workshop Manual procedure 01.05.CS Panel Assembly - Quarter Trim
Lower - LH - Renew).
41. Install Quarter trim RH (see Workshop Manual procedure 01.05.CR Panel Assembly - Quarter Trim
Lower - RH - Renew).
42. Restore roof and tonneau to original positionTransaxle Harness-Renew
Removal
1. Remove RH Wheel arch liner (see Workshop Manual procedure 01.02.HB Wheel Arch Liner - Rear - RH -
Renew).
2. Remove rear undertray (see Workshop Manual procedure 01.02.PB Undertray - Rear - Renew).
3. Disconnect transaxle multiplug from body harness.
4. Release harness from RH wheel arch (clips x2).
5. Disconnect LH and RH pad wear sensor multiplug (X2).
6. Disconnect load le vel sensor multiplug.
7. Disconnect LH and RH AB S sensor multiplugs (x2)
8. Disconnect reverse light switch and release harness from transaxle (clips x2).
9. Release harness clips (x23) from subframe and toe control arms.
Installation
1. Secure harness clips (x23) to subframe and toe control arms.
2. Connect reverse light swit ch multiplug and secure
harness clips (x2) to transaxle.
3. Connect ABS sensors
4. Connect load level sensor.
5. Connect pad wear sensor multiplugs.
6. Connect transaxle multiplug and secure harness to wheel arch.
7. Install rear undertray (see Workshop Manual procedure 01.02.PB Undertray - Rear - Renew).
8. Install RH rear wheel arch liner (see Workshop Manual procedure 01.02.HB Wheel Arch Liner - Rear - RH -
Renew).
Repair Operation Time (ROT)
Warning
To prevent damage to electrical components, always disconnect the vehicle battery when working on the
vehicle's electrical system. The earth lead (- ve) must be disconnected first an d reconnected last.
Warning
Always connect the battery earth (- ve) terminal last.
Wiring and Circuit Protection (18.01)
Electric Distribution/E lectronic Control (18.00)
18-1-22 Workshop Manual May 2007
Engine Wiring Harness-Renew
Removal
1. Remove engine (see Workshop Manual procedure
03.00.AC Engine Assembly - Remove for access and
refit).
2. Disconnect vacuum pipe and multiplug from EGR module (see Fig. 1).
3. Loosen and disconnect EGR pipe union (see Fig. 2). 4. Remove bolts (x2) securing EGR module to inlet
manifold, remove EGR valve, remove and discard gasket
(see Fig. 3).
5. Install engine lifting brackets, (303-749) to front of engine and (303-536) to rear of engine.
6. Connect suitable slings to engine lifting brackets.
7. Connect hoist to slings, raise hoist to take weight of engine.
8. Remove nuts (x2) securi ng engine hydramounts to
subframe.
9. Raise hoist and remove engine from subframe.
10. Lower engine onto work be nch, disconnect hoist from
slings, move hoist aside.
11. Remove nuts (X8), LH exhaust manifold to cylinder head, remove manifold (see Fig. 4).
Repair Operation Time (ROT)
Warning
To prevent damage to electrical components, always disconnect the vehicle battery when working on the
vehicle's electrical system. Th e earth lead (- ve) must be
disconnected first and reconnected last.
Fig. 1
Fig. 2
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Fig. 3
Fig. 4
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Wiring and Circuit Protection (18.01)
Electric Distribution/Electronic Control (18.00)
May 2007 Workshop Manual 18-1-25
45. Disconnect multiplugs (x4) knock sensors (see Fig. 13).
46. Disconnect multiplug (x 1) secondary air pump.
47. Disconnect multiplug (x1) engine coolant temperature.
48. Disconnect earth lead.
49. Disconnect multiplugs (x2) suppressors
50. Remove bolts (x2) rear engine harness support bracket.
51. Cut cable ties (x7) harn ess to rear support bracket.
52. Release harness multiplugs (x4) from rear harness support bracket
53. Release and remove harness from remaining clip positions (x8).
Installation
1. Secure multiplugs (x4) and the harness with cable ties to rear support bracket.
2. Secure harness (x8) and install rear harness support bracket.
3. Connect multiplugs (x2) suppressors
4. Connect earth lead.
5. Connect multiplug (x1) engine coolant temperature.
6. Connect multiplug (x1) secondary air pump.
7. Connect multiplugs (x4) knock sensors.
8. Connect multiplug (x1) air control valve solenoid.
9. Connect multiplugs (x2) CMP sensors.
10. Position and secure engine harness in clips (x25)
11. Install inlet manifold
12. Install heater hose brackets (x2)
13. Secure engine harness to LH and RH heater hose brackets.
14. secure heater hose to he ater hose brackets (x2).
15. Connect breather hose to manifold.
16. Secure servo hose.
17. Install LH and RH support brackets
18. Connect multiplug (x1) condenser.
19. Connect multiplug (x1) throttle body.
20. Connect multiplug (x1) in let air temperature sensor.
21. Disconnect multiplug (8) to injectors. 22. Secure harness clip to ridge of cam covers (x2).
23. Connect multiplugs (x2) VVT solenoid.
24. Connect multiplugs (x8) to ignition coils.
25. Secure HEGO engine harn
ess connections (x4) to
mounting bracket.
26. Connect multiplug (x1) crankshaft sensor.
27. Connect multiplug (x1) starter motor.
28. Connect multiplugs (x2) oil pressure and temperature switches.
29. Connect multiplug (x1) alternator.
30. Secure vacuum pipe to heater hose bracket clips (x2).
31. install bolt (x1) purge valv e pipe to RH support bracket.
32. Connect multiplug (x1) fuel rail pressure sensor.
33. Install coil covers.
34. Install LH and RH exhaust ma nifolds, install and torque
tighten nuts (x16).
35. Install slings to engine lifting brackets, connect and raise hoist.
36. Lower engine onto subframe, align hydramounts, install and torque tighten nuts (x2).
37. Disconnect hoist from slings, move hoist aside.
38. Remove slings from engine.
39. Remove lifting brackets from engine, (303-749 and (303-536).
40. Clean EGR module, pipe union and mating faces.
41. Install new gasket, install EGR module, install and torque tighten bolts (x2)
42. Install EGR pipe, torque tighten union.
43. Connect multiplug and vacuum pipe to EGR module.
44. Install engine (see Wo rkshop Manual procedure
03.00.AC Engine Assembly - Remove for access and
refit).
Facia Harness-Renew
Removal
1. Remove IP assembly (see Workshop Manual procedure
01.12.AB Instrument Panel - Facia Assembly - Remove
for access and refit).
2. Disconnect multiplugs (x 6) from heater assembly.
3. Remove nuts (x2) and bolt (x 1) heater assembly to facia.
4. Remove instrument panel bezel assembly (see Workshop Manual procedur e 01.12.AV Bezel Assembly
- Instrument Panel - Renew).
Fig. 13
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Warning
Always connect the battery earth (- ve) terminal last.
Repair Operation Time (ROT)
Warning
To prevent damage to electrical components, always disconnect the vehicle battery when working on the
vehicle's electrical system. The earth lead (- ve) must be disconnected first an d reconnected last.
Wiring and Circuit Protection (18.01)
Electric Distribution/E lectronic Control (18.00)
18-1-26 Workshop Manual May 2007
5. Remove screws (x4), securing centre stack assembly to
IP.
6. Release centre stack assembly, disconnect multiplugs (x12).
7. Remove nuts (x3) securing blower assembly to instrument pack.
8. Disconnect multiplug and lucar connector to blower assembly.
9. Remove screws (x7), remove steering column shrouds.
10. Remove screw securing load spread plate to column. Collect column shrouds mounting bracket.
11. Release clips (x2), column switch harness to load spread plate.
12. Disconnect multiplugs (x3), steering column switches.
13. Disconnect multiplugs (x2) ignition switch assembly.
14. Remove DIP panel (see Workshop Manual procedure 13.01.AA Module - Driver Information - Renew).
15. Disconnect multiplug to RKE receiver.
16. Release facia harness to main harness multiplugs (x5) from IP bracket RH side.
17. Disconnect multiplug to glovebox latch motor.
18. Disconnect multiplug to pass engers airbag on/off switch.
19. Disconnect multiplug to solar sensor.
20. Disconnect multiplug to centre speaker.
21. Disconnect multiplugs (x2) to footwell lamps.
22. Release diagnostic sockets (x2) from bracket.
23. Disconnect multiplug to CD player.
24. Disconnect multiplug to headlamp levelling unit.
25. Disconnect multiplug to PDC sounder.
26. Disconnect multiplugs (x2) to master lighting switch.
27. Disconnect multiplug to interior guard switch.
28. Disconnect multiplug to steering rotation sensor.
29. Release facia harness to main harness multiplugs (x6) from IP bracket LH side.
30. Release harness clips from instrument panel.
31. Remove harness assembly.
Installation
1. Position harness to IP and secure in clips (x21).
2. Install facia harness to main harness multiplugs (x6) to IP bracket LH side.
3. Connect multiplug (X1) to steering rotation sensor.
4. Connect multiplug (X1) to interior guard switch.
5. Connect multiplugs (x2) to master lighting switch.
6. Connect multiplug (x1) to PDC sounder.
7. Connect multiplug (x1) to headlamp levelling unit.
8. Connect multiplug (X1) to CD player.
9. install diagnostic sockets (x2) to bracket.
10. Connect multiplugs (x2) to footwell lamps.
11. Connect multiplug (X1) to centre speaker.
12. Connect multiplug (X1) to solar sensor.
13. Connect multiplug to passengers airbag on/off switch.
14. Connect multiplug (X1) to glovebox latch motor. 15. Install facia harness to main harness multiplugs (x5) from
IP bracket RH side.
16. Connect multiplug to RKE receiver.
17. Install DIP panel (see Workshop Manual procedure 13.01.AA Module - Driver Information - Renew).
18. Connect multiplugs (x2) ignition switch assembly.
19. Connect multiplugs (x3), steering column switches.
20. Secure column switch harness in clips (x2) to load spread plate.
21. Position column shroud brackets and Install screw securing load spread plate to column.
22. Install steering column shrouds, (screws x7).
23. Connect multiplug (X1) an d lucar connector (X1) to
blower assembly.
24. Position blower assembly to IP and install nuts (x3)
25. Position centre stack assembly and connect multiplugs (x12).
26. install screws (x4), securing centre stack assembly to IP.
27. Install instrument panel bezel assembly (see Workshop Manual procedure 01.12.AV Bezel Assembly -
Instrument Panel - Renew).
28. Connect tube from 'In-car' temperature sensor and install heater assembly.
29. Connect multiplugs (x6) heater assembly.
30. Install IP assembly (see Workshop Manual procedure
01.12.AB Instrument Panel - Facia Assembly - Remove
for Access and Refit).
Cabin Harness Assembly-Renew
Removal
1. Disconnect vehicle battery.
2. Remove instrument panel (see Workshop Manual procedure 01.12.AB Instrume nt Panel - Facia Assembly
- Remove for Access and Refit).
3. Remove front header panel (see Workshop Manual procedure 01.05.BB Panel Assembly - Header - Renew).
4. Remove central electronic module (see Workshop Manual procedure 18.01.LC Module - Central
Electronic - Renew).
5. Remove RH rear wheel arch liner (see Workshop Manual procedure 01.02.JB Wheel Arch Liner - Rear -
LH - Renew).
6. Remove screw securing LH and RH quarter trim middle section to rear bulkhead cover.
Warning
Always connect the battery earth (- ve) terminal last.
Repair Operation Time (ROT)
ItemCode
Cabin Harness Assembly-Renew 18.01.GB
Warning
To prevent damage to elec trical components, always
disconnect the vehicle battery when working on the
vehicle's electrical system. The earth lead (- ve) must be
disconnected first and reconnected last.
Wiring and Circuit Protection (18.01)
Electric Distribution/Electronic Control (18.00)
May 2007 Workshop Manual 18-1-27
7. Release/remove LH and RH quarter trim middle panel,
fir tree clips (x8)
8. Remove bolts (x4) and screw (x2) securing LH and RH upper quarter trim moulding to body.
9. Disconnect multiplug (x2) LH and RH speaker.
10. Remove nuts (x6) LH and RH speaker to trim moulding and remove speakers.
11. Feed seatbelt/s through trim moulding aperture and remove moulding.
12. Remove bolts (x4) seat belt bracket to body and position bracket aside.
13. Remove rear floor carpet.
14. Remove nut (x1) and bolt (x1) subwoofer to body.
15. Lift subwoofer assembly and disconnect multiplug (x1) and remove assembly
16. Remove power amplifier (see Workshop Manual procedure 15.01.AB Power Amplifier - Renew).
17. Remove tyre sealant bottle.
18. Remove mobility kit from storage rack
19. Slide fusebox rearwards and release from bracket.
20. Release terminal cover, remove nut (x1) main battery lead to fusebox.
21. Disconnect multiplugs (x2) and remove fusebox.
22. Remove nuts (x6), Star wash ers (x6), plain washers (x6)
and rubber seals (x6) rear lamp assembly.
23. Disconnect multiplug (x2) and remove LH and RH rear
lamp assembly.
24. Remove multi-media module - LH side of luggage compartment (see Workshop Manual procedure
19.07.BB Module - Multi Media - Renew).
25. Remove front floor carpet and A lower post trim panel. - check procedure on refit.
26. Remove bolts (x4) handbrake lever bracket to floor and position lever aside.
27. Remove bolts (x4) footrest bracket to body and floor.
28. Remove brake booster (see Workshop Manual procedure 06.07.AB Brake Booster - RHD - Renew). 29.Disconnect throttle pedal multiplugs (x2) (see Fig. 1).
30. Remove earth headers (x3) (see Fig. 2).
31. Disconnect Stop light switch, Clutch UP switch and
Clutch DOWN switch multip lugs Clipped to body x1)
(see Fig. 3). Fig. 1
Fig. 2
Fig. 3
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Wiring and Circuit Protection (18.01)
Electric Distribution/E lectronic Control (18.00)
18-1-28 Workshop Manual May 2007
32. Remove harness clips (x3) (see Fig. 4).
33. Unclip multiplugs from sill (x2).
34. Release roof harness from clips (x4) and velcro (x2) (see
Fig. 5).
35. Disconnect engine harness to main harness multiplugs (x4) (clipped to body) (see Fig. 6). 36. Remove earth headers (x4) (see Fig. 7).
37. Disconnect battery header (x
1) (rubber boot) (see Fig.8).
38. Release harness from clips (x3) (see Fig. 9).
39. Release door harness boot and disconnect door harness
to main harness multiplug.
Fig. 4
Fig. 5
Fig. 6
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Fig. 7
Fig. 8
Fig. 9
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