Ford Transit 2002 Owner's Manual page 1483

C34: CHECK THE GROUND CONNECTION OF THE CONTROL PANEL FOR THE CLIMATE
CONTROL SYSTEM
C35: CHECK GROUND CONNECTION THROUGH BLOWER SWITCH
Is a resistance of less than 2 Ohm registered?
Yes
CHECK the CJB and RENEW as necessary. CHECK
the operation of the system.
No
LOCATE and RECTIFY the break in circuit 15-FA13
(GN/RD) between the control panel for the climate
control system and the CJB with the aid of the
Wiring Diagrams. CHECK the operation of the
system.
Ignition switch in position 0.
1
Measure the resistance between the control panel
2
for the climate control system, connector C380, pin
12, circuit 91-FA13 (BK/OG), wiring harness side
and ground.
Is a resistance of less than 2 Ohm registered?
Yes
GO to C35.
No
LOCATE and RECTIFY the open circuit in circuit 91-
FA13 (BK/OG) between the control panel for the
climate control system and soldered connection S12
with the aid of the Wiring Diagrams. CHECK the
operation of the system.
Set the blower switch to position 1.
1
Measure the resistance between the control panel
2
for the climate control system, connector C380, pin
6, circuit 31S-FA26 (BK/RD), wiring harness side
and ground.
Is a resistance of less than 2 Ohm registered?
Yes
Vehicles built up to
Vehicles built from 07/2006:CHECK and if
http://vnx.su
07/2006:GO to C36.