11. EFI SYSTEM MXU 450i
11-9
Apply oil onto a new O-ring.
When install the T-MAP sensor onto the
throttle body, being careful not to damage the
O-ring.
Install the set plate and tighten the screw
securely.
Apply oil onto a new O-ring.
When install the ISC and T-MAP sensor onto
the throttle body, being careful not to damage
the O-ring.
DIAGNOSTIC TOOL
CONNECTOR
INSPECTION
Remove front cover
Make sure of moving the shift lever into the
“N” or “P” position.
Remove diagnostic tool connector protect
sheath.
Turn the ignition switch to “ON”
Measure the voltage between the following
terminals of the diagnostic tool connector.
Terminal Normal
BR/L (+) G/B (-) Battery voltage
B/L (+) W/L (-)
Battery voltage
－1 V
O-ring
Always replace an O-ring with a new one.
＊
Diagnostic Connector
Sheath
Screws ISC
Screw T-MAP senso
Injecto
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