1992 MAZDA PROTEGE key

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

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

INTERIOR LAMP SYSTEM T
INTERIOR LAMP SYSTEM
STRUCTURAL VIEW
ZYUU I x-02
1. Spot lamp (in overhead console) 5. IG key illumination
Removal I Inspection / Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-50
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-52 6. Cargo compartment lamp
2. Interior and spot lamp (Without sunroof) Removal I Inspection /
Removal / Inspection I Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-54
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-53 7. Trunk compartment lamp
3. Interior lamp (Without sunroof) Removal I Inspection /
Removal / Inspection / Installation . ..*......................*...... page T-54
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-52 8. Door switch
4. Interior lamp (With sunroof) Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-51
Removal I Inspection / 9. Courtesy lamp
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
page T-53 Removal I Inspection /
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page T-54
Specifications
Item
Interior and spot lamp
interior lamp
Spot lamp (in overhead console)
Cargo compartment lamp
Trunk compartment lamp
Courtesy lamp Interior
spot Number 1
2
1
2
1
1
2 Specification (W) (Bulb trade number) 10
6
10
8 (67)
5 (168)
5 (168)
5 (168)
23UOTX-028
T-49

T INTERIOR LAMP SYSTEM
TROUBLESHOOTING
IG Key Illumination
Circuit diagram
03UOTX-080
T-50

INTERIOR LAMP SYSTEM T
IG key illumination does not operate
Check room IOA fuse NG
- Short circuit
0 OK
Confirm battery voltage on V Defective harness (Fuse - Joint box), or bulb
0 OK
Confirm continuity on B wire of the joint box (CPU) to
ground Repair harness (Joint box - Body ground)
OK
When any door is opened, confirm that interior lamp
comes on
OK NG
~ Defective harness (Joint box - Door switch), or door
switch
Confirm continuity between N terminal of JB-09 connec- _ NG
-
tor and B terminal of JB-03 connector Repair harness (JB-09 - JB-03)
I OK
Replace CPU
23UOTX-029
Inspection
Door switch (Front sides with passive belt)
Confirm continuity between the R/W wire and the B wire of
the door switch connector (in passive motor connector).
Condition Continuity
Push X
Not push 0
0: Indicates continuity X: No continuity
03UOTX-181 Door switch (Others)
Confirm for continuity between the terminals of the door switch.
Condition Continuity
Push X
Not push 0
0: Indicates continuity X: No continuity
1 I OSJOTX-082
T-51

CENTRAL PROCESSING UNIT (CPU) T
CENTRAL PROCESSING UNIT (CPU)
I I IG KEY ILLUMI.
I
T
1. 30A KEY REMIN-
0
DOOR A.lAR
WARNING LAMP
TNS
REAR WIPER SW
rb
T
RASSIVE CONTROL UNIT -
SYSTEM DIAGRAM
CPU SEAT BELT WARNING LAMP
m
w
REAR WASHER SW
IGl
REAR WASHER
03UOTX-08! 3
T-55

CENTRAL PROCESSING UNIT (CPU) T
Inspection
1. Remove the CPU and check the voltage or continuity between terminals of joint box and a body ground.
Ve: Battery voltage
Terminal
A Connected to Test condition Specification
B Rear wiper motor Ignition switch
Va
Light switch ON (first and second position) V0
C TNS switch
Light switch OFF ov
Seat belt buckled Ofi
D Seat belt buckle switch
Seat belt unbuckled
co
E
Rear wiper switch ON
OCI
F
Rear wiper switch
Rear wiper switch OFF
co
Rear washer switch ON 00
G Rear washer switch
Rear washer switch OFF
00
H
Key reminder switch ON
Va
I Key reminder switch
Key reminder switch OFF
ov
Ignition switch OFF ov
J Seat belt warning lamp
Ignition switch ON
VB
K Ground Constant
ov
L IG key illumination Constant
VB
For 5 seconds after ign. switch ON and belt unbuckled
00
M Passive shoulder belt
Other conditions
00
All doors closed
Va
N Door switch
Any door open
ov
0 Battery Constant VB
P Ignition switch
ignition switch ON V0
23UOTX-031
T-57

T WARNING SYSTEM
WARNING SYSTEM
WARNING BUZZER AND TIMER
Circuit Diagram
WARNING LAMP
REAR WIPER SW
RASSIVE CONTROL UNIT
Inspection
Remove the CPU and check the voltage or continuity between terminals of joint box and a body ground.
Key reminder alarm does not sound.
VB: Battery voltage
Terminal Connected to Test condition Specification To correct
I
Key reminder switch Key in cylinder VB Check ignition switch and
(ignition switch) Key out bf cylinder ov wiring harness
(Refer to page T-21)
P Ignition switch Ignition switch ON
‘/B Check ignition switch and
wiring harness
(Refer to page T-21)
N Door switch Any door open ov Check door switches and
All doors closed VS wiring harness
(Refer to page T-51)
23UOTX-031
T-58