ignition MAZDA PROTEGE 1992 Workshop Manual

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

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

T SWITCHES
03UOTX-026
H&N CAP
03UOTX-02 8
03UOTX-02s
SWITCH
Removal / Installation
Ignition switch
1. Remove the negative battery cable.
2. Remove the steering column cover.
3. Remove the screw and the ignition switch.
4. Install in the reverse order of removal.
Hazard warning switch
1. Remove the meter hood.
2. Remove the screws and the hazard switch.
3. Install in the reverse order of removal.
Cruise control switch
(set/coast and resume/accel switch)
1. Remove the steering wheel cap.
2. Remove the cruise control switch as shown in the figure.
3. Install in the reverse order of removal.
Inspection
1. Check for continuity between the terminals with an
ohmmeter.
Remote control door mirror switch
CLASS DIRECTION a b c d i k I
UP o---o
0 0
1 UP
I I lo! I-l7ol
o----O: Indicates continuity
T-20

SWITCHES T
e C a
~ f
d b
03UOTX-03
13UOTX-OC
WARNING SW
03UOTX-0:
b a d
h
13UOTX-01
03UOTX-03
Rear window defroster switch
O----0: Indicates continuity
Ignition switch
O----0: Indicates continuity
Hazard warning switch
C--O: Indicates continuity
Cruise control main switch
I I OFF
I ON l% I I ,
G----O: Indicates continuity
2. Measure the switch resistance with an ohmmeter.
Cruise control switch
Switch Condition Check terminal
a-b
OFF
co
RESUMElACCEL
ON 910n
OFF Co SET/COAST ON 2400
o---O: Indicates continuity
T-21

EXTERIOR LIGHTING SYSTEM T
Headlights either do not operate or are dim Low-High beam or passing flasher does not
J operate
Burnt out bulb or poor grounding J
03UOTX-049 Defective combination switch
03UOTX-050
(Canada) Daytime running lights (DRL) do not operate
Confirm that headlights operate with the light switch ON
(second position) OK
Turn OFF the light switch and turn ON the ignition
switch when parking level pulling
I
Check head 30A main fuse OK
Check DRL resistor OK Repair DRL resistor 10A fuse
Confirm battery voltage on R and L/G wire of the DRL NG
relay Repair harness (Fuse - DRL relay)
I
I
Check the DRL relay
Repair DRL relay
1 OK
Confirm battery voltage on (BRNV) wire of the DRL con-
trol unit NG
Repair harness (DRL relay - DRL control unit) OK
Confirm battery voltage on (L/G) wire of the DRL control NG
unit Repair harness (Rear wiper fuse - DRL control unit) OK
Confirm continuity of (G/R) wire of the DRL control unit x Repair harness (DRL control unit - Parking brake
to ground switch) or check the parking brake switch 1 OK
Confirm continuity on (B) wire of the DRL control unit to
NG
ground Repair harness (DRL control unit ground) OK
-1 NG
Confirm approx. 8V on the DRL resistor Repair harness (DRL control unit - DRL headlight)
I
Confirm battery voltage on (
Confirm approx. 8V on (R/W) wire of the DRL resistor Repair harness (DRL resistor - DRL relay)
Repair harness (DRL control unit - DRL resistor)
23UOTX-019
T-33

EXTERIOR LIGHTING SYSTEM
Turn Signal lights do not operate
Check meter 15A fuse A an
I
0 OK
Confirm battery voltage on BI Repair harness (Fuse - Turn switch) OK
1 ~,-
Check the turn signal switch NG
(Refer to page T-27 or T-28) Replace the turn switch
1 OK
Turn ignition switch to ON. Turn the signal switch to
RIGHT or LEFT
Confirm battery voltage on G or Y wire of the flasher
unit Repair harness (Turn switch - Flasher unit)
6) OK
Confirm battery voltage on B Repair harness (Fuse - Flasher unit)
1
1 OK
Check the flasher unit (Refe Replace the flasher unit
I
(B OK
Confirm battery voltage on G/W (G/B) wire of the turn
signal light NG _
Repair harness (Flasher unit - Turn signal light) @ OK
Confirm continuity on B wire of the turn signal light to
ground OK
Replace the bulb NG
Repair harness (Turn signal light - Body ground)
23UOTX-020
T-35

I
EXTERIOR LIGHTING SYSTEM
Only hazard function does not operate
Check the hazard warning Replace the hazard switch
1 I
1 OK
Confirm continuity on B wire of the hazard switch to
ground Repair harness (Hazard switch - Body ground)
OK
I I
Push the hazard switch to activate
OK -2
Confirm continuity on B wire of the flasher unit to body
ground NG
Repair harness (Flasher unit - Hazard switch)
OK
NG
Check the flasher unit (Refer
Replace the flasher unit
Normal
I
Only one side of signal operates
13UOTX-026 .,
Check the turn signal switch
(Refer to page T-27 or T-28)
I Replace the turn switch
1 OK
Turn ignition switch to ON. Turn the signal switch to
defective side
Repair harness (Turn switch - Flasher unit)
Replace the flasher unit
Confirm battery voltage on G/W (G/B) wire of the turn
signal light NG-
- Repair harness (Flasher unit - Turn signal light)
I OK
Confirm continuity on B wire of the turn signal light to
ground NG
Repair harness (Turn signal light - Body ground)
Replace the bulb
T-36
I OK
23UOTX-021

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

WARNING SYSTEM
Light-off reminder alarm does not sound.
VB: Battery voltage
Terminal Connected to Test condition Specification To correct
C Headlight switch Headlight switch ON VB Check headlight switch and
wiring harness
(Refer to pages T-27, 28)
P Ignition switch Ignition switch ON VB 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 V0 wiring harness
(Refer to page T-51)
23UOTX-033
Seat belt alarm does not sound.
VB: Battery voltage
Terminal Connected to Test condition Specification To correct
P ignition switch Ignition switch ON
Vs Check ignition switch and
wiring harness
(Refer to page T-21)
D Seat belt buckle switch Seat belt buckled
00 Check seat belt buckle switch
Seat belt unbuckled
00 and wiring harness
(Refer to page S-102)
23UOTX-034
Seat belt timer does not operate.
VB: Battery voltage
Terminal Connected to Test condition Specification To correct
P Ignition switch Ignition switch ON VE Check ignition switch and
wiring harness
(Refer to page T-21)
23UOTX-035
Passive shoulder belt alarm does not sound.
VB: Battery voltage
Connected to Test condition
Ignition switch Ignition switch Specification
VB
Passive shoulder belt
control unit For 5 seconds after
ignition switch and belt
unbuckled
Other conditions 00
co
IG key illumination timer does not operate.
To correct
I
Check ignition switch and
wiring harness
(Refer to page T-21)
Check passive shoulder belt
control unit and wiring harness
(Refer to page S-104)
23UOTX-036
Ve: Battery voltage
Terminal Connected to Test condition Specification To correct
L IG key illumination Either door open
VB Check bulbs and wiring
harness
N Door switch Any door open ov Check door switches and
All doors closed
VB wiring harness
(Refer to page T-51)
23UOTX-037
T-59