Pontiac Fiero 1988 Service Manual page 35

1A-10 HEATING AND VENTILATION
5 > CONTROLS
E X C E S S I V E E F F O R T
C H E C K C A B L E S F O R ROUTING, KINKED C A B L E S ,
WIRING I N T E R F E R E N C E OR O T H E R INSTRUMENT
PANEL I N T E R F E R E N C E .
E F F O R T TOO LOW DOOR
MOVES ON HIGH BLOWER
NONE FOUND
REMOVE C A B L E
FROM DOOR(S)
CAUSING BINDING
AND C Y C L E DOOR(S)
MANUALLY. C H E C K
FOR DOOR BINDING
NO DOOR BIND
C H E C K F O R
C O N T R O L BINDING
C O N T R O L BINDS
REMOVE C A B L E ( S )
AND R E C H E C K C O N -
T R O L F O R BINDING
C O N T R O L BINDS
R E P L A C E C O N
T R O L
P R O B L E M FOUND
R E P L A C E BOWDEN C A B L E
WITH A L O N G E R C A B L E AND
ADD A LOOP TO T H E C A B L E
ROUTING TO I N C R E A S E C O N T R O L
E F F O R T . C H E C K INSTRUMENT
PANEL I N T E R F E R E N C E S WITH
NEW C A B L E ROUTING TO INSURE
P R O P E R OPERATION
REPAIR A S
N E C E S S A R Y
DOOR BINDS
C H E C K DOOR S E A L TO
INSURE P R O P E R S E A L
INSTALLATION
1
NO C O N T R O L
BIND
S E A L OK
REINSTALL AND
R E C H E C K C L E A R
A N C E S TO DASH
C O M P O N E N T S
S E A L C A U S E S BINDING
REPAIR AS N E C E S S A R Y
C H E C K T E M P E R A T U R E DOOR FOR
SHAFT ALIGNMENT, BENT
S H A F T OR DOOR, WARPED C A S E
REPAIR AS N E C E S S A R Y
NO C O N T R O L BIND
R E P L A C E C A B L E ( S )
G20O08-1A
Figure 11 Heater Controls Diagnosis