Pontiac Fiero 1988 Service Manual page 1027

CRUISE CONTROL: K 3 4
L 4 V I N R
VACUUM PULLS SERVO ALL THE
WAY IN
© REMOVE JUMPER FROM
TERMINAL E OF SERVO
VACUUM
THE WAY
HOLDS SERVO ALL
IN
REPLACE ECM. SEE SECTION 6E2
AND 8C
VACUUM DOES NOT HOLD SERVO
ALL THE WAY IN
(Continued on next page)
VACUUM DOES NOT PULL
SERVO IN
• CHECK FOR BLOCKED OR
LEAKING VACUUM SOURCE
VACUUM SOURCE OK
©REMOVE JUMPER FROM
TERMINAL E O F SERVO
VACUUM SOURCE BLOCKED OR
LEAKING
REPAIR
(Continued on next page)