cruise control MAZDA PROTEGE 1992 User Guide

CONTROL SYSTEM
Incorrect voltage Possible cause
VB: Battery voltage
Always below
2.W A/C does not operate l A/C relay malfunction (Refer to page U-55) l Open circuit in wiring from ignition switch to A/C relay l Open circuit in wiring from A/C relay to ECU terminal IL
AIC switch OFF but
l Short circuit in wiring from A/C relay to ECU terminal 1L
A/C ooerates l ECU malfunction
Always Va
l Poor connection at ECU connector l ECU malfunction
Always OV
l Vehicle speed sensor malfunction (Refer to page K-143)
l Short circuit in wiring from vehicle speed sensor to ECU terminal 1M
l Vehicle speed sensor malfunction (Refer to page K-143) l Open circuit in wiring from vehicle speed sensor to ECU terminal 1M
Always OV
l P/S pressure switch malfunction (Refer to page F-173) l Short circuit in wiring from P/S pressure switch to ECU terminal 1P l ECU malfunction
Always Va
Always below 2.5V (Blower fan OK)
Always Ve (Blower fan OK)
l P/S pressure switch malfunction (Refer to page F-173) l Open circuit in wiring from P/S pressure switch to ECU terminal 1P l Open circuit in wiring from P/S pressure switch to ground
l A/C switch malfunction (Refer to page U-55) l Short circuit in wiring from A/C switch to ECU terminal IQ l Poor connection at ECU connector l ECU malfunction
l A/C switch malfunction (Refer to page U-55) l Open circuit in wiring from A/C switch to ECU terminal 1Q l Open circuit in wiring from A/C switch to blower control switch
Always OV (Blower fan OK)
Always VB (Blower fan OK)
Always below 1 .OV (Stoplight OK)
l Short circuit in wiring from blower control switch to ECU terminal 1s l Poor connection at ECU connector
l ECU malfunction
l Open circuit in wiring from blower control switch to ECU terminal 1s
l Open circuit in wiring from stoplight switch to ECU terminal 10
Always OV
Always Ve
l Inhibitor switch malfunction (Refer to page K-141) l Short circuit in wiring from inhibitor switch to ECU terminal 1R
l Inhibitor switch malfunction (Refer to page K-141) l Open circuit in wiring from inhibitor switch to ECU terminal 1R
Always OV
l Cruise switch malfunction (Refer to page T-21) l Short circuit in wiring from cruise switch to ECU terminal 1s
l Cruise switch malfunction (Refer to page T-21) l Open circuit in wiring from cruise switch to ECU terminal IS
Always OV
l Throttle sensor misadjustment (Refer to page F-169) l Short circuit in wiring from throttle sensor to ECU terminal 1T
l ECU malfunction
Always Va
I
l Throttle sensor misadjustment (Refer to page F-169) l Open circuit in wiring from throttle sensor to ECU terminal 1T
-
I - - -
Always approx. OV or approx. 2V l Refer to Code No.02 Troubleshooting (Refer to page F-86)
F-l 61

WINDSHIELD WIPER AND WASHER
Wiper does not operate in Lo or Hi position
(With wiper relay)’
I
Check WIPER 20A fuse
Repair harness and replace fuse
VB: Battery voltage
OK
Turn ignition switch ON
Check for battery voltage at terminal-wires (L) of wiper
relay connector NG
- Repair harness (Fuse box-Wiper relay)
I OK
Check for battery voltage at terminal-wires (W) and
(G/W) of above connector
I Replace wiper relay (Refer to Section T)
OK
Disconnect wiper switch connector;
check for battery voltage at terminal-wires (W) and
W’J) Repair harness (Wiper relay -Wiper switch)
I OK
Check for continuity of above connector terminal-wire
(B) to ground
I
Repair harness (Wiper switch-Ground) 1
1 OK
Check wiper switch (Refer to
I Replace combination switch (Refer to Section T)
1 OK
Check for battery voltage at terminal-wires (L/W) and (R)
of wiper relay connector with switch as shown NG
Replace wiper relay (Refer to Section T)
l Lo : (L/W) Ve l Hi : (R) Ve
OK
1 I
Disconnect wiper motor connector; check for battery
voltage at terminal-wires (L/W) and (R) with switch as
shown
l !-0 : (L/w) VB l Hi : (R) VB NG
= Repair harness (Wiper relay-Wiper motor)
OK
Check continuity between wiper motor body and
ground NG
= Repair ground circuit of wiper motor body
Check wiper motor (Refer to page S-70)
*: U.S. with/without cruise control, Canada with cruise control
23UOSX-017
Wiper does not operate in Lo or Hi position
(Without wiper relay)’
Check WIPER 20A fuse
OK
Repair harness and replace fuse .-
S-68 Cont’d

WINDSHIELD WIPER AND WASHER S
Cont’d
Turn ignition switch ON t
VB: Battery voltage
Check for battery voltage at terminal-wire (L) of wiper
switch connector
I Repair harness (Fuse box-Wiper switch)
1 OK
Check for battery voltage at terminal-wires (L/W) and
(L/R) of wiper switch connector with switch as shown
l Lo : (L/W) va l Hi : (R) VB
I OK NG
= Check wiper switch (Refer to page S-71)
Disconnect wiper motor connector; check for battery
voltage at terminal-wires (L/W) and (R)
l Lo : (L/W) VB l Hi : (R) Ve NG
- Repair harness (Wiper switch-Wiper motor) L
J
OK
I
Check continuity between wiper motor body and
ground Repair ground circuit of wiper motor body
*: Canada without cruise control Check wiper motor (Refer to page S-70)
23UOSX-018
II Wiper automatic park function does not work
II
I t-
I 1 Turn ignition switch ON I
I
+
Check for battery voltage at terminal-wire (L) of wiper
motor connector
OK Repair harness (Fuse box-wiper motor)
Disconnect wiper motor and wiper switch connectors;
check for continuity between terminal-wire (L/Y) of
above connectors
OK Repair harness (Wiper motor-Wiper switch)
Reconnect wiper switch connector;
check for continuity between terminal-wires (L/Y) and
(L/W) of wiper motor connector Check wiper switch (Refer to page S-71)
Check wiper motor (Refer to page S-70)
I
23UOSX-019
One touch function (MIST) does not operate
Jl
Check wiper switch (Refer to page S-71)
I
03UOSX-118
S-69

WINDSHIELD WIPER AND WASHER
Intermittent function does not operate
(With wiper relay)*
i
Disconnect wiper relay connector;
check for continuity of terminal-wire (B) to ground
I Repair harness (Wiper relay-Ground)
OK
=j Replace wiper relay (Refer to Section T)
*: U.S. with/without cruise control, Canada with cruise control
03uosx-119
Intermittent function does not operate
(Without wiper relay)*
1
Disconnect wiper switch connector;
check for continuity of terminal-wire (B) to ground Repair harness (Wiper switch-Ground)
*: Canada without cruise control
Washer does not operate (Wiper operates OK)
1
I
wiper 1 -
repay Check for battery voltage at terminal-wire
Repair harness (Fuse box-Wiper switch) l
1 (L) of wiper switch connector J
1 OK
Check for battery voltage at terminal-wire (L/O) of
washer switch connector with washer switch ON Check washer switch (Refer to page S-71)
1
1 OK
Disconnect washer motor connector;
check for battery voltage at terminal-wire (L/O) with
washer switch ON Repair harness (Washer switch-Washer motor)
Check for continuity of above connector terminal-wire
(B) to ground Repair harness (Washer motor-Ground)
*l: Canada without cruise control
*2: U.S. with/without cruise control, Canada with cruise control
23UOSX-020
WIPER MOTOR
Inspection
Conductivity check
1. Disconnect the wiper motor connector.
2. Check for continuity between terminals with an ohmmeter.
--iizzs
In automatic park
Out automatic park
o---O: Indicates continuity

BODY ELECTRICAL SYSTEM
INDEX .......................................... T- 2
RELAY ....................................... T- 2
INSTRUMENT CLUSTER AND
SWITCHES ................................ T- 3
EXTERIOR LIGHTS.. ..................... T- 4
INTERIOR LAMPS.. ...................... T- 5
CRUISE CONTROL SYSTEM.. ........ T- 6
AUDIO ....................................... T- 7
OTHER ...................................... T- 8
OUTLINE ...................................... T- 9
HOW TO USE THIS SECTION.. ...... T- 9
ELECTRICAL TROUBLESHOOTING
TOOLS .....................................
ELECTRICAL SYMBOLS - ............... T- 1x
TROUBLESHOOTING GUIDE.. .........
T- 11
FUSE AND JOINT BOX ..................
T- 12
STRUCTURAL VIEW.. ...................
T- 12
FUSES ....................................... T- 13
CIRCUIT BREAKER.. ....................
T- 14
JOINT BOX ................................. T- 15
RELAY .......................................... T- 16
STRUCTURAL VIEW.. ...................
T- 16
.-
FLASHER UNIT ........................... T- 17
DOOR LOCK TIMER UNIT ............
T- 17
HORN RELAY ............................. T- 18
HEADLIGHT RELAY.. ................... T- 18
TNS RELAY ................................ T- 18
DRL RELAY (CANADA). ................ T- 18
SWITCHES .................................... T- 19
STRUCTURAL VIEW.. ................... T- 19
SWITCH ..................................... T- 20
COMBINATION SWITCH ...............
T- 23
EXTERIOR LIGHTING SYSTEM ....... T- 29
STRUCTURAL VIEW.. ...................
T- 29
AIMING ...................................... T- 30
TROUBLESHOOTING.. .................
T- 30
HEADLIGHT AND FRONT
COMBINATION LIGHT.. ..............
T- 41
REAR COMBINATION LIGHT.. ....... T- 43
HIGH-MOUNT STOPLIGHT.. .......... T- 45
DRL RESISTOR ........................... T- 46
STOPLIGHT SWITCH.. .................. T- 47
BACK-UP LIGHT SWITCH ............. T- 47
LICENSE PLATE LIGHT.. ..............
T- 47
REAR SIDE MARKER LIGHT ......... T- 48
INTERIOR LAMP SYSTEM ..............
T- 49
STRUCTURAL VIEW.. ...................
T- 49
TROUBLESHOOTING ...................
T- 50 SPOT LAMP
(IN OVERHEAD CONSOLE) ......... T- 52
INTERIOR LAMP
(WITHOUT SUNROOF). ............... T- 52
INTERIOR LAMP (WITH SUNROOF) T- 53
INTERIOR AND SPOT LAMP
(WITHOUT SUNROOF). ............... T- 53
CARGO COMPARTMENT LAMP.. .. T- 54
TRUNK COMPARTMENT LAMP.. ... T- 54
COURTESY LAMP ....................... T- 54
CENTRAL PROCESSING UNIT (CPU) T- 55
SYSTEM DIAGRAM ...................... T- 55
CPU .......................................... T- 56
WARNING SYSTEM.. ...................... T- 58
WARNING BUZZER AND TIMER .... T- 58
WARNING AND INDICATOR LAMP T- 60
INSTRUMENT CLUSTER.. ............... T- 63
PREPARATION ............................ T- 63
STRUCTURAL VIEW ..................... T- 63
TROUBLESHOOTING ................... T- 64
INSTRUMENT CLUSTER
AND SPEEDOMETER CABLE.. .... T- 89
WATER THERMOSENSOR ............ T- 72
FUEL GAUGE SENDER UNIT.. ...... T- 73
REAR WINDOW DEFROSTER.. ........ T- 74
STRUCTURAL VIEW.. ................... T- 74
TROUBLESHOOTING ................... T- 75
FILAMENT .................................. T- 77
REAR WINDOW DEFROSTER
SWITCH .................................... T- 77
CRUISE CONTROL SYSTEM.. ......... T- 78
STRUCTURAL VIEW.. ................... T- 78
TROUBLESHOOTING GUIDE.. ....... T- 79
SELF-DIAGNOSTIC INSPECTION .... T- 80
TROUBLESHOOTING ................... T- 83
CRUISE CONTROL UNIT .............. T- 85
HORN ........................................... T- 88
HORN AND HORN RELAY.. .......... T- 88
AUDIO .......................................... T- 89
STRUCTURAL VIEW.. ................... T- 89
OUTLINE OF AUDIO.. .................. T- 90
SYSTEM ..................................... T- 91
TROUBLESHOOTING ................... T- 92
CAUSES OF NOISE ..................... T- 96
AUDIO COMPONENT.. ................. T- 98
DOOR SPEAKER .........................
REARSPEAKER .......................... ;-
- !3;
ANTENNA FEEDER ..................... T- 99
23UOTX-001

INDEX T
INSTRUMENT CLUSTER AND SWITCHES
23UOTX-00
1. Rear window defroster switch
7. Fuel gauge sender unit
Inspection
........................... page T-21 Removal / Installation ..................
page T-73
2. Remote control door mirror switch
Inspection ................................... page T-73
Inspection
........................... page T-20 8. Hazard warning switch
3. Ignition switch
Removal / installation .................. page T-20
Removal / Installation..
........ page T-20 Inspection ................................... page T-21
Inspection ........................... page
T-2 1 9. Cruise control main switch
4. Combination switch Inspection ...................................
page T-21
Removal / installation
.......... pages T-23, 25 10. Cruise control switch
Disassembly / Assembly ..... pages T-24, 26 Removal / Installation ..................
page T-20
Inspection
........................... pages T-27, 28 Inspection ................................... page T-21
5. Instrument cluster 11. Power window main switch
Troubleshooting..
................ page T-65 Inspection ................................... page T-22
Removal / Installation
.......... page T-69 12. Power window switch
Disassembly I Assembly ..... page T-70 Inspection ................................... page T-22
Inspection
........................... page T-71 13. Panel lamp control switch
6. Water thermosensor
Inspection ................................... page T-22
Removal / Installation..
........ page T-72
Inspection ........................... page T-72
T-3

T INDEX
CRUISE CONTROL SYSTEM
23UOTX-004
1. Cruise control switch
Removal / Installation . . . . . . . . . . . . . . . . . . page T-20
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-21
2. Speed sensor (in the meter)
Inspection ,,,,..~..,,,..,,,.,........,.,..,.. page T-72
3. Actuator
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-87
4. Cruise control unit
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . page T-83
Removal / Installation . . . . . . . . . . . . . . . . . . page T-85
Self-diagnostic inspection . . . . . . . . . . . page T-80
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-86 5. Stoplight switch
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . pages T-47, 87
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . page T-87
6. Clutch switch (For MTX)
Adjustment ..,,....,...,..,..,,....., page T-87
7. Cruise control main switch
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-21
T-6

TROUBLESHOOTING GUIDE T
TROUBLESHOOTING GUIDE
System
Exterior lighting system
Interior lamp system
Warning system
Instrument cluster
Rear window defroster
Cruise control system
Audio system Symptom Reference page
Headlights do not operate T-32
Headlights either do not operate or are dim T-33
Low-High beam or passing flasher does not operate T-33
Daytime running lights (DRL) do not operate T-33
Turn signal lights do not operate T-35
Only hazard function does not operate T-36
Only one side of signal operates
T-36
TNS system (side marker, license, tail, illumination light) does not operate T-38
Both stoplights do not operate when brake pedal is depressed T-40
One stoplight does not come on T-40
IG key illumination does not operate
T-51
Key reminder alarm does not sound
Light-off reminder alarm does not sound
Seat belt alarm does not sound
Seat belt timer does not operate
Passive shoulder belt alarm does not sound
IG key illumination timer does not operate T-58
T-59
T-59
T-59
T-59
T-59
Speedometer does not operate or indication is not correct
Tachometer does not operate
Water temperature gauge does not operate
Fuel gauge does not operate
Defroster does not operate
Can’t set or control the speed T-65
T-66
T-67
T-68
T-76
T-84
No sound
Sound is partial
Bad sound quality of radio
Bad sound quality of tape
Noise
Scan or tuning does not stop T-93
T-93
T-94
T-94
T-95
T-95
T-l 1

T FUSE AND JOINT BOX
Specifications (Cont’d)
Fuse Color
METER 15A Blue
WIPER 20A Yellow
STOP 20A Yellow
TAIL 15A
Blue
SUNROOF 15A Blue
DEFOG 20A Yellow
HEATER 30A Light green Protected circuit Instrument panel (gauges and warning lamps), Back-up light, Turn signal,
Cruise control system
Windshield wiper and washer
Stoplight, Horn
Taillight, Side marker light, Parking light, Illumination light, License plate light
Sunroof
Rear window defroster
Blower motor
13UOTX-067
L
r 03UOTX-01
1 BL
PULLER
t
L 03UOTX-01
CIRCUIT
BREAKER
RESET BUTTON
03UOTX.01
Removal / Installation
Main fuse
1. Remove the main fuse box mounting bolts.
2. Open the main fuse box lid and remove the bolt.
3. Remove MAIN 80A fuse.
4. Install in the reverse order of removal.
Fuse
When replacing a fuse, use the fuse puller supplied in the fuse
box cover.
CIRCUIT BREAKER
Note
l Push button to reset circuit breaker after operating
dlagnosls of malfunction.
5
T-14

SWITCHES T
SWITCHES
STRUCTURAL VIEW
13UOfX-0'
1. Rear window defroster switch 6. Power window main switch
Inspection . . . . #. . . . . . . . . . . . . . . ..,. . . . . . . . . . . . page T-21 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-22
2. Remote control door mirror switch
7. Power window switch
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-20 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-22
3. Ignition switch
8. Cruise control switch
Removal I Installation . . . . . . . . . . . . . . . . . . page T-20 Removal / Installation . . . . . . . . . . page T-20
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-21 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-21
4. Cruise control main switch 9. Combination switch
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-21 Removal / Installation . . . . . . . . . . pages T-23, 25
5. Hazard warning switch Disassem biy / Assembly . . . . . pages T-24, 26
Removal / Installation . . . . . . . . . . . . . . . . . . page T-20 Inspection ,...,.,.,.................. pages T-27, 28
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-21 10. Panel lamp control switch
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-22
T-l 9