Electronic control unit (ECU) - tyre pressure monitoring (TPM)

DRIVING AIDS

REPAIRS

86-4-3

Antenna - rear wheel - tyre pressure 
monitoring (TPM) system 

$% 86.53.17

Remove

1. Using jack Raise vehicle and support with 

stands.

WARNING: Do not work on or under a 
vehicle supported only by a jack. Always 
support the vehicle on safety stands.

2. Remove 5 nuts securing road wheel, remove 

wheel.

3. Remove 2 bolts securing antenna, disconnect 

multiplug and remove antenna.

Refit

1. Position and fit bolts to secure antenna.
2. Connect multiplug to antenna.
3. Fit road wheel and tighten nuts to 140 Nm (103 

lbf.ft).

4. Remove stands and lower jack.

Electronic control unit (ECU) - tyre 
pressure monitoring (TPM)

$% 86.54.05 

If the ECU is to be replaced then Testbook/T4 must 
be connected and correct procedures adhered to, 
prior to battery disconnection.

Remove

1. Remove the Body Control Unit (BCU).

 + 

 CONTROL UNITS AND RELAYS, 

REPAIRS, Body Control Unit (BCU).

2. Release tyre pressure monitoring ECU from 

holder, disconnect multiplug and remove ECU.

Refit

1. Position ECU, connect multiplug and fit ECU to 

holder.

2. Fit BCU.

 + 

 CONTROL UNITS AND RELAYS, 

REPAIRS, Body Control Unit (BCU).

3. Configure new ECU using TestBook/T4.

M86 5720