Ford 2002 Bantam - The Intermittent Wiper Speed Does Not Operate Correctly (High;Low Speeds Ok)

501-16-15 Wipers and Washers 501-16-15
DIAGNOSIS AND TESTING (CONTINUED)
CONDITIONS
DETAILS/RESULTS/ACTIONS
C4: CHECK THE WINDSHIELD WIPER MOTOR FOR PROPER FUNCTION
1 Connect a jumper wire between multifunction
switch, connector C15b, pin 5, circuit 14S-
AK11 (VT/OG) and pin 7, circuit 14-AK19
(VT/BU), harness side.
• Does the windshield wiper motor operate
correctly (fast wiper speed)?
 Yes
CHECK the multifunction switch, according
to Component Testing attached to the wiring
diagrams. If necessary INSTALL a new one.
TEST the system for normal operation.
 No
CHECK the windshield wiper motor. If nec-
essary INSTALL a new one. TEST the sys-
tem for normal operation.
PINPOINT TEST D: THE INTERMITTENT WIPER SPEED DOES NOT OPERATE CORRECTLY
(HIGH/LOW SPEEDS OK)
CONDITIONS DETAILS/RESULTS/ACTIONS
D1: CHECK THE POWER SUPPLY OF RELAY – INTERMITTENT WIPE
1. 2.
Relay – intermittent
wipe C48
3.
4 Measure the voltage between relay socket –
intermittent wipe, connector C48, pin 6, circuit
14-AK14 (VT/BK) and ground.
• Is battery voltage indicated?
 Yes
GO TO D2
 No
REPAIR the open circuit(s) between splice
S11 and relay – intermittent wipe, by using
the wiring diagrams. TEST the system for
normal operation.
D2: CHECK THE CONTROL VOLTAGE (INTERMITTENT WIPE) TO RELAY – INTERMITTENT
WIPE
1 Turn the multifunction switch to the
INTERMITTENT WIPE position.
E9432 EN 07/2001 2002 Bantam