Checking unassigned connector
sockets
1. Ensure that non-assigned connector sock‐
ets are protected with covering caps.
2. Make certain that the two securing ele‐
ments (1) are engaged in the lugs (2) so
that the covering cap (3) is held firmly in
place in the socket.
3. If this is not the case, press the securing el‐
ements (1) concerned in the direction of the
arrow until they engage noticeably.
Checking pushbuttons and display
1. Pushbuttons: Ensure that
• Pushbutton caps are not damaged
(cracks or similar damage)
• Pushbuttons move easily
• Pushbutton housings are seated secure‐
ly
• Seals (2) between PAN control panels
and LOP housing are not damaged.
2. Display: Ensure that
• Front glass is not damaged or pressed in
• Seal (1) between display housing and
LOP housing is not damaged.
3. Have damaged components replaced im‐
mediately by Service.
Performing lamp test
1. Connect battery in accordance with battery
manufacturer's instructions.
2. Switch master power switch to ON.
3. Switch on engine control system.
4. Hold down LAMP TEST pushbutton:
Result: Indicators and controls light up.
5. Have damaged lamps immediately replaced
by Service.
244 | Task Description | MW15550/06E 2012-02
TIM-ID: 0000008868 - 004
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