Apple MacBook Pro 13 inch - Page 42

MacBook Pro (13-inch) Symptom Charts — Startup and Power Issues 42
2010-09-14
8. Verify if a thermal sensor or fan
failure is reported in ASD.
Yes -If fan not running failure,
check for fan cable seating
and retest. If same failure
after retest replace fan with
known-good fan and retest.
If issue does not happen with
known-good fan, replace
user’s fan.
-If an over temp failure
reported, check for cause of
over temp, like obstructed
vent, dust in heatsink n,
clogged fan and retest. If still
failing replace part where
sensor is located (logic
board, battery, or trackpad)
according to the sensor
location table . Go to step 9.
X22
M23
P17
K99
No Replace heatsink.
Go to step 9.
X10
9. Isolate if issue solved
Verify if shutdown/issue does
not happen anymore after part
exchange.
Yes Issue resolved.
No Replace logic board with
corresponding symptom:
-if for thermal error cause
-if for other cause
M18
M08