412-00-5
Climate Control System — General Information
412-00-5
DIAGNOSIS AND TESTING (
CONTINUED
)
CONDITIONS
DETAILS/RESULTS/ACTIONS
A4: CHECK THE POWER SUPPLY OF THE FUSE F2
1
.
Fuse F2 (CJB)
2
.
3
Measure the voltage between fuse F2 and
ground.
• Is battery voltage indicated?
Yes
GO TO
A5
.
No
REPAIR the power supply of the fuse F2 by
using the wiring diagrams. TEST the system
for normal operation.
A5: DETERMINE THE FAULT CONDITION OF THE HEATING SYSTEM
1
.
2
Check the temperature of the airflow.
• Is the airflow permanently cold?
Yes
No
GO TO
A6
A6: CHECK THE HEATER CONTROL SOLENOID VALVE
WARNING: The heater control solenoid valve can be very hot.
1
Turn the temperature selector switch to the
medium position.
• Is the heater control solenoid valve pulsating?
Yes
CHECK the cooling system for blockages.
TEST the system for normal operation. If the
concern is not rectified, CHECK the heater
control solenoid valve. If necessary
INSTALL a new one. TEST the system for
normal operation.
No
E9425 EN
07/2001 2002 Bantam