Pinpoint Test A: Active Engine Mount Test

WARNING: This page is about a different variant/trim than selected.

A1: CHECK VACUUM LINES
1. Inspect all the vacuum lines for correct connection and for any damage
  Are all the vacuum lines correctly connected and free from damage?
  
  Yes
  
  GO to A2.
  
  No
  
  Reconnect or replace damaged vacuum lines as required and retest

A2: CHECK ACTIVE ENGINE MOUNT SWITCH POSITION

Inspect the left and right active engine mount switch positions as shown in the image below

G13878643

Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC

Is the active engine mount switch clearly visible as shown in the image?

Yes

The active engine mount is faulty, replace only the faulty active engine mount and retest

No

GO to A3.

A3: ACTIVE ENGINE MOUNT VACUUM CHECKS
1. Disconnect the vacuum lines directly from the active engine mounts
2. Using the Jaguar Land Rover approved vacuum testing equipment, connect to each active engine mount and check it is holding vacuum. The engine mount should switch before 0.4 bar of vacuum is pulled and then be able to hold the vacuum for 1 minute. There will be an audible pop as the engine mount switches
  Did the engine mount switch before 0.4 bar is pulled and hold the vacuum for 1 minute?
  
  Yes
  
  GO to A4.
  
  No
  
  The active engine mount is faulty, replace only the faulty active engine mount and retest
A4: ACTIVE ENGINE MOUNT SOLENOID CHECKS
1. Refer to the electrical circuit diagrams and check the active engine mount solenoid circuit for short circuit to ground, open circuit, high resistance. Repair circuit as required and retest
  Did the check and repair of the active engine mount solenoid circuit resolve the issue?
  
  Yes
  
  No further action is required
  
  No
  
  Check and install a new active engine mount solenoid as required and retest. If the fault persists, reconfirm the customer symptoms