2005 PORSCHE CAYENNE TURBO relay

302
Practical Tips, Minor Repairs
Electrical SystemIn order to avoid damage and faults in electrical or
electronic systems, electrical accessories should
be installed at your authorized Porsche dealer.
fUse only accessories authorized by Porsche.
Warning!
Risk of short circuit and fire.
Replacing fuses or relays with engine running
or the ignition on could cause electrical
shock.
fDisconnect the battery during all work on the electrical system.
RelaysRelays should be checked or changed only by an
authorized workshop.Alarm system, central lockingThe status of the central locking and alarm system
is not changed by disconnecting the battery.
When the battery is disconnected, the alarm
system ceases to function.
SocketsElectrical accessories can be connected to the
12 V sockets.Note on operation
The sockets and thus the connected electrical ac-
cessories function even if the ignition is swi tched
off or the ignition key is withdrawn.
If the engine is not running and the accessories
are switched on, the vehicle battery will be
discharged.

306
Practical Tips, Minor Repairs 22 Rear differential lock30
23
Rear differential lock, disengageable anti-roll bars
10
24 Tire pressure monitoring system5
2526Porsche Stability Management, passenger airbag deactivation, brake pedal switch, instrument panel, engine control unit,
airbag control unit, steering column module1027282930313233
Steering wheel heating, steering column module
15
34 Passenger compartment monitoring, seat heating5
35
Low beam, high beam
15
36 Vehicle electrical system control unit10
3738 Brake lights1039
Relay activation, heated rear window, seat heating
5
40 Instrument panel5
41
Porsche Entry & Drive
15
42 Panorama roof30
43
Subwoofer
30 No. Designation Rating in A

310
Practical Tips, Minor Repairs
454647
Telephone preparation
10
48 Level control, Porsche Active Suspension Management10
49
Telephone, automatic anti-dazzle mirror
5
50
51
Tiptronic
20
52 Tiptronic5
53
Windscreen relay
30
54 Windscreen relay30
5556 Porsche Stability Management4057
Center differential lock, Low Range
40
RES 1 Spare fuse 110
RES 2
Spare fuse 2
30 No. Designation Rating in A

Practical Tips, Minor Repairs
311
Fuse assignment – fuse box in engine compartmentNote
Use the plastic grippers from the fuse boxes in the dashboard to replace the fuses.No. Designation Rating in A
1
Fan
60
2Fan30
3
Secondary air pump
40
4 Secondary air pump40
567
Fuel injectors, ignition coils
20
8 Fuel injectors, ignition coils20
9
Engine control units
30
10 Engine components: radiator fans, afterrun pump, carbon canister valve, AC pressure sensor, tank leakage diagnosis 10
11
Engine components
15
12 E-box relay, secondary air pumps, afterrun pump relay5
13
Fuel pump
15
14 Fuel pump15
15
Engine control unit, fuel pump
10
16 Vacuum pump30
17
Oxygen sensors
15
18 Oxygen sensors7,5

364
Index Power windows .............................. 29
,30,31
Comfort function (windows).................... 30
One-touch operation .............................. 30
Opening/closing windows ...................... 29
Readiness for operation......................... 29
Storing end position .............................. 31
Switching off (rear)................................ 31
Power-transmission ..................................... 211
Preservation ............................................... 259
Pressure tester........................................... 298
PSM ........................................ 211
,214
,294
Deactivating ....................................... 216
Indicator light...................................... 110
Information light .................................. 216
Off road ............................................. 215
Switching on ....................................... 216
Warning light ............... 68
,70,110
,216
PTM.................................................. 211,212
RRadiator fans .............................................. 235
Radio
Tips ................................................... 167
Radio remote control .................................... 17
Changing the battery ........................... 326
Rain sensor ................................................ 119
Rain sensor operation ................................. 120
Reading light
Front.................................................. 144
Rear .................................................. 145
Rear differential lock ................................... 208
Rear fog light .................................... 114
,336Rear lid ............................................. 178
,179
Locking ................................................ 24
Opening ............................................... 24
Unlocking ............................................. 20
Rear light ................................................... 335
Rear seats.................................................... 37
Folding forward ..................................... 37
Rear window ............................................... 180
Locking ................................................ 24
Opening ........................................ 20,24
Unlocking ............................................. 20
Rear window wiper ...................................... 121
Rear-axle load ............................................. 191
Reduction ..................................................... 84
Reflector .................................................... 335
Refuelling ................................................... 251
Relays ........................................................ 302
Release button............................................ 198
Relocking, automatic ..................................... 21
Remote control ............................................. 17
Changing the battery ........................... 326
Removing spots and stains .......................... 259
Reserve ..................................................... 251
REST button ...................................... 127
,131
REST mode ....................................... 130,136
Reverse gear .............................................. 161
Reversing light ............................................ 336
Rims .......................................................... 221
Diameter ............................................ 282
Rim width ........................................... 282
Rocker switches ................................ 200,201
Roof console ..................................... 146,172
Roof Transport System .............. 189
,352
,354Running in Tires ............................................14
Running-gear control systems ......................211
Running-gear setup......................................231
Indicator light ......................................110
Warning light .......................................231
SSafety belts .........................................42
,264
Belt tensioner .......................................43
Fastening..............................................44
Height adjustment .................................45
Opening................................................44
Warning light .........................................43
Safety catch, engine compartment lid ...........181
Safety compliance sticker ............................345
Safety net........................172
,184
,185
,186
Assembly............................................186
Bracket ..............................................185
Permitted uses....................................185
Screewdriver ..............................................283
Sealant..................................90
,91,96,288
Warning light .......................................108
Sealing set .................................................288
Seals, care .................................................262
Seat heating ........................................40,132
For air-conditioned areas at the rear .......41
Rear ...................................................132
Switching off .........................................40
Switching on .........................................40