412-02-27
412-02-27
Heating and Ventilation
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST Q: VACUUM PUMP CYCLES ON AND OFF WITHOUT BRAKE PEDAL ACTIVATION
(CLIMATE CONTROL VACUUM SYSTEM LEAK TEST)/INCORRECT AIRFLOW THROUGH CLIMATE
CONTROL OUTLETS
TEST STEP
ACTION TO TAKE
•
With key OFF, disconnect the vacuum jumper harness leading to the
Yes =
RECONNECT the vacuum
heater plenum and plug all ports on the blue vacuum jumper harness
jumper harness. GO to Q10.
connector except for the black vacuum line port.
•
Use Vacuum Tester to apply 103 kPa (15 psi) of vacuum to the black
No =
GO to Q9.
vacuum line port on the blue vacuum jumper harness connector and
rotate the mode select knob through all mode positions.
•
Does the vacuum level remain constant for all mode positions?
Q9 CHECK VACUUM JUMPER HARNESS
•
With key OFF, disconnect the vacuum jumper harness from the mode
Yes =
REPLACE the mode select
select switch.
switch.
•
Use Vacuum Tester to apply 103 kPa (15 psi) to each individual vacuum
No =
REPLACE the vacuum
line with the other end of the vacuum line plugged.
jumper harness.
•
Do all vacuum lines hold vacuum?
Q10 VERIFY VACUUM LINE ROUTING
•
Compare vacuum line colors in each harness to the vacuum schematic.
Yes =
GO to Q11.
Refer to Electrical and Vacuum Troubleshooting Manual (EVTM),
Cell 53, Heater or Cell 54, Air Conditioner/Heater.
•
Is the vacuum line routing correct?
No =
CORRECT the vacuum line
routing.
Q11 CHECK VACUUM LINES/CONNECTIONS
•
Check each vacuum line for a secure connection. Also check for blocked, Yes =
GO to Q12.
pinched, kinked, or damaged vacuum lines.
•
Are the vacuum lines OK?
No =
REPAIR as necessary.
Q12 CHECK VACUUM MOTORS
•
Disconnect the vacuum line from each vacuum motor and use Vacuum
Yes =
GO to Q13.
Tester to apply 103 kPa (15 psi) of vacuum to each vacuum motor.
•
Do the vacuum motors hold vacuum?
No =
REPLACE the vacuum
motor(s) in question.
Q13 CHECK WHITE VACUUM LINE TO FRESH/RECIRCULATION
DOOR VACUUM MOTOR
•
With key ON, remove the white vacuum line from the fresh/recirculation
Yes =
RECONNECT the white
door vacuum motor and plug the vacuum line.
vacuum line to the
fresh/recirculation door
vacuum motor. GO to Q14.
•
Monitor IAA module PID VACPRES for a change in vacuum pressure
No =
REPLACE the heater
after the vacuum pump shuts off.
plenum vacuum line
•
Does the vacuum level remain constant?
assembly.
Q14 CHECK YELLOW VACUUM LINE TO FLOOR/DEFROST
DOOR VACUUM MOTOR
•
With key ON, remove the yellow vacuum line from the floor/defrost
Yes =
RECONNECT the yellow
door vacuum motor and plug the hose.
vacuum line to the
floor/defrost door vacuum
motor. GO to Q15.
•
Monitor IAA module PID VACPRES for a change in vacuum pressure
No =
REPLACE the heater
after the vacuum pump shuts off.
plenum vacuum line
•
Does the vacuum level remain constant?
assembly.
Q15 CHECK BLUE VACUUM LINE TO FLOOR/DEFROST DOOR
VACUUM MOTOR
(Continued)
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...