412-02-30
412-02-30
Heating and Ventilation
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST R: RECIRCULATION FUNCTION DOES NOT OPERATE
TEST STEP
ACTION TO TAKE
•
With key ON, disconnect the black vacuum line from the recirculation
Yes =
CHECK the white vacuum
vacuum solenoid and check for vacuum.
line to the fresh/recirculation
door vacuum motor for
blockage. REPAIR as
necessary. If OK, REPLACE
the recirculation vacuum
solenoid.
•
Is vacuum present?
No =
GO to Pinpoint Test P.
R13 CHECK CIRCUIT 3053 (BR/W) FOR OPEN
•
Connect 104-Pin Breakout Box (BOB) to IAA module C1945; leave IAA Yes =
GO to R14.
module disconnected.
•
With key OFF, disconnect fresh/recirculation select switch C2998 and
No =
REPAIR the BR/W wire.
measure the resistance of the BR/W wire between pin 4 on
fresh/recirculation select switch C2998 and BOB pin 63.
•
Is the resistance less than 5 ohms?
R14 CHECK CIRCUIT 3053 (BR/W) FOR SHORT TO GROUND
•
With key OFF, measure the resistance between BOB pin 63 and ground
Yes =
GO to R15.
(BOB pin 80).
•
Is the resistance greater than 10,000 ohms?
No =
REPAIR the BR/W wire.
R15 CHECK GROUND TO FRESH/RECIRCULATION SELECT
SWITCH
•
With key OFF, measure the resistance between pin 3 (BK wire) on
Yes =
GO to R16.
fresh/recirculation select switch C2998 and ground.
•
Is the resistance less than 5 ohms?
No =
REPAIR the BK wire.
R16 CHECK FRESH/RECIRCULATION SELECT SWITCH
•
Measure the resistance between the BR/W wire terminal and BK wire
Yes =
REPLACE the IAA module.
terminal on the fresh/recirculation select switch with the switch
REFER to
depressed.
•
Is the resistance less than 5 ohms?
No =
REPLACE the
fresh/recirculation select
switch.
R17 CHECK POWER TO FRESH/RECIRCULATION SELECT
SWITCH LED
•
With key OFF, disconnect fresh/recirculation select switch C2998.
Yes =
REPLACE the
•
With key ON, measure the voltage between the pin 1 (BK/LG wire) and
fresh/recirculation select
pin 3 (BK wire) on fresh/recirculation select switch C2998.
switch.
•
Is the voltage greater than 10 volts?
No =
GO to R18.
R18 CHECK GROUND TO FRESH/RECIRCULATION SELECT
SWITCH
•
With key OFF, measure the resistance between pin 3 (BK wire) on
Yes =
GO to R19.
fresh/recirculation select switch C2998 and ground.
•
Is the resistance less than 5 ohms?
No =
REPAIR the BK wire.
R19 CHECK CIRCUIT 3054 (BK/LG) FOR OPEN
•
Connect 104-Pin Breakout Box (BOB) to IAA module C1945; leave IAA Yes =
REPLACE the IAA module.
module disconnected.
REFER to
•
With key OFF, measure the resistance of the BK/LG wire between pin 1
No =
REPAIR the BK/LG wire.
on fresh/recirculation select switch C2998 and BOB pin 66.
•
Is the resistance less than 5 ohms?
2001 Ranger EV, 01/2001
Summary of Contents for 2001 Ranger
Page 28: ......
Page 138: ...206 04 7 206 04 7 Rear Disc Brake REMOVAL AND INSTALLATION Continued 2001 Ranger EV 01 2001...
Page 820: ......
Page 821: ......
Page 822: ......
Page 823: ......
Page 828: ...2001 RANGER ELECTRIC VEHICLE 1 4 TABLE OF CONTENTS INDEX...
Page 864: ...2001 RANGER ELECTRIC VEHICLE 11 10 FUSE PANEL CIRCUIT PROTECTION...
Page 866: ...2001 RANGER ELECTRIC VEHICLE 12 2 AUXILIARY BATTERY CHARGING SYSTEM...
Page 900: ...2001 RANGER ELECTRIC VEHICLE 13 34 POWER DISTRIBUTION HIGH VOLTAGE...
Page 906: ...2001 RANGER ELECTRIC VEHICLE 14 6 MULTIPLEX COMMUNICATION NETWORK...
Page 932: ...2001 RANGER ELECTRIC VEHICLE 19 4 TRACTION BATTERY COOLING VENTILATION...
Page 938: ...2001 RANGER ELECTRIC VEHICLE 21 4 CONTACTOR BOX RELAY CONTROL...
Page 944: ...2001 RANGER ELECTRIC VEHICLE 33 2 COOLING SYSTEM...
Page 946: ...2001 RANGER ELECTRIC VEHICLE 37 2 SHIFT LOCK...
Page 950: ...2001 RANGER ELECTRIC VEHICLE 42 4 ANTI LOCK BRAKE SYSTEM ABS...
Page 954: ...2001 RANGER ELECTRIC VEHICLE 44 2 HORN CIGAR LIGHTER...
Page 964: ...2001 RANGER ELECTRIC VEHICLE 53 8 HEATER...
Page 972: ...2001 RANGER ELECTRIC VEHICLE 54 8 AIR CONDITIONER HEATER...
Page 994: ...2001 RANGER ELECTRIC VEHICLE 71 6 INSTRUMENT ILLUMINATION...
Page 1000: ...2001 RANGER ELECTRIC VEHICLE 81 6 INTERVAL WIPER WASHER...
Page 1014: ...2001 RANGER ELECTRIC VEHICLE 90 10 TURN STOP HAZARD LAMPS...
Page 1028: ...2001 RANGER ELECTRIC VEHICLE 124 2 POWER MIRRORS...
Page 1030: ...2001 RANGER ELECTRIC VEHICLE 130 2 RADIO...
Page 1032: ...2001 RANGER ELECTRIC VEHICLE 139 2 VACUUM SYSTEM...
Page 1192: ...2001 RANGER ELECTRIC VEHICLE 151 30 COMPONENT LOCATION VIEWS...