1992 MAZDA PROTEGE Workshop Manual

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

T INDEX
INDEX
RELAY
ION 8
1. Flasher unit
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-i 7
2. Door lock timer unit
Inspection . . . . . . . . . . . . . . . . . ..l.........I..... page T-l 7
3. Horn relay
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-l 8
4. DRL control unit (Canada)
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-33
T-2
13UOTX-00:
5. DRL relay (Canada)
inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-l 8
6. TNS relay
Inspection
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-l 8
7. Headlight relay
Inspection
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-l 8

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
EXTERIOR LIGHTS
1. Headlight
Troubleshooting .......................... page T-30
Removal / Installation .................. page T-41
Aiming ......................................... page T-30
2. Front combination light
Removal / Installation .................. page T-41
(1) Turn and hazard warning light
Troubleshooting .................. page T-34
(2) Small light control system
Troubleshooting .................. page T-37
3. Rear combination light
Removal / Installation .................. page T-43
Disassembly / Assembly ............. page T-44
(1) Turn and hazard warning light
Troubleshooting .................. page T-34
(2) Parking light control system
Troubleshooting .................. page T-37
(3) Stoplight
Troubleshooting .................. page T-39
4. Stoplight switch
Inspection ................................... page T-47
T-4
5. License plate light
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . page T-37
Removal I Inspection /
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-47
6. Back-up light switch
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-47
7. Flasher unit
Inspection . . . . . . . . . . . . . . . . . ,.. . . . . . . . . . . page T-42
8. High-mount stoplight
Removal / Inspection /
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-45
9. Rear side marker light
Removal / Inspection /
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-48
0. Daytime running light (DRL) system
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . page T-33
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-42
1. DRL resistor
Removal I Installation . . . . . . . . . . . . . . . . . . page T-46
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-46

INDEX T
INTERIOR LAMPS
23UOTX-OC
1. Spot lamp (in overhead console)
Removal / Inspection /
Installation ,,,,,.,,,.,..,.,................. page T-52
2. Interior and spot lamp (Without sunroof)
Removal / Inspection I
Installation .,,........,.....,.,............. page T-53
3. Interior lamp (Without sunroof)
Removal / Inspection /
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-52
4. Interior lamp (With sunroof)
Removal I Inspection I
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-53 5. IG key illumination
Troubleshooting .,.,..........,........... page T-50
6. Cargo compartment lamp
Removal I Inspection I
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-54
7. Trunk compartment lamp
Removal I Inspection I
Installation ..,.,...,...........*............ page T-54
8. Door switch
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-51
9. Courtesy lamp
Removal I Inspection I
Installation . . ,.., . . . ., ,, . . ,...... . . . . . . . . . . . page T-54
T-5

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

INDEX T
AUDIO ’
1. Audio component 3. Rear speaker
Troubleshooting ........................ page T- 92 Troubleshooting ........................ page T- 92
Removal / Installation
................ page T- 98 Removal / Installation ................
page T- 99
2. Door speaker Inspection ................................. page T- 99
Troubleshooting ........................
page T- 92 4. Antenna feeder
Removal / Installation
................ page T- 98 Troubleshooting ........................ page T- 92
Inspection ................................. page T- 99 Removal.. .................................. page T- 99
Installation .................................
page T-l 00
Inspection .................................
page T-100
T-7

T INDEX
OTHER
1, Joint box (including CPU)
Removal / Installation . . . . . . . . . . . . . . . . . . page T-l 5
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-58
2. Circuit breaker
Note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-14
3. Horn
Removal I Installation . . . . . . . . . . . . . . . . . . page T-88
23UOTX-OOf
4. Main fuse
Removal I Installation . . . . . . . . . . . . . . . . . . page T-14
5. Rear window defroster (Filament)
Troubleshooting ,..........,,...,........,
page T-75
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-77
Repairing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-77
T-8