Fuse Block: Description and Operation

Fuse Carrier

The Cayenne has fuse boxes at the right and left sides of the dashboard, in the water tank, the E-box and power distributor.

Fuses







WARNING:
Risk of destruction of electrical and electronic components.
- Before a Maxi -A- and A to -B- fuse is removed, switch off the ignition and remove the ignition key.

There are 4 different types of fuse deployed in the Cayenne.

The fuse carriers in the right and left of the dashboard, in the water tank and E-box contain fuses of the type Maxi -A- and A to -B-.







The power distributor mainly contains fuses (fuse elements) of the type -C- Midi and -D- Mega.







Fuse assignment, fuse carrier, dashboard, left
Remove the fuse carrier covers on the left and right:
- Open the doors and run a plastic spatula between the cover and dashboard and remove the cover.







- Remove the defective fuse and replace with a new one.


Replace the fuse carrier covers on the left and right:
- Position the cover and press on until the cover clips engage.







Fuse assignment, fuse carrier, dashboard, left:







Abbreviation Explanation
BNSG Vehicle electrical system control unit
SG Control module
KSH Control unit for comfort system rear
SRA Headlight washer
RDK (tyre pressure monitoring system) Tyre pressure control
HBA Headlight beam adjustment
BPS Brake pedal switch

NOTE: For fuse assignments please refer to the current issue of the wiring diagram.

Fuse assignment, fuse carrier, dashboard, right
Remove the fuse carrier covers on the left and right:







- Open the doors and run a plastic spatula between the cover and dashboard and remove the cover.
- Remove the defective fuse and replace with a new one.

Replace the fuse carrier covers on the left and right:
- Position the cover and press on until the cover clips engage.







Fuse assignment, fuse carrier, dashboard, right:







Abbreviation Explanation
BNSG Vehicle electrical system control unit
SG Control unit
KSH Control unit for comfort system rear
SRA Headlight washer
RDK (tyre pressure monitoring system) Tyre pressure control
HBA Headlight beam adjustment
PDC Parking distance control
EC Electrically adjustable
PSM Porsche Stability Management
AHK Towbar
NVG Level control

NOTE: For fuse assignments please refer to the current issue of the wiring diagram.

Fuse assignment E-box, fuse carrier radiator tank

NOTE:
- The E-box is located in the plenum chamber, on left side in direction of travel.
- Remove the left cover of the plenum chamber.

Unscrew the 3 locking mechanisms -arrow- and remove the cover.







E-box fuse assignment







Abbreviation Explanation
KL Radiator fans
AKF Active carbon filter
SLP Secondary air pump
EKP Electric fuel pump
MSG Engine control module







Fuse assignment, power distributor







ATTENTION:
Risk of destruction of electrical and electronic components.
- Before removing the fuses (fuse elements) -C- Midi and -D- Mega from the power distributor, the battery must be disconnected.

Remove and install fuse element in power distributor.