1992 MAZDA PROTEGE Workshop Manual

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 and Hazard Warning Light
Circuit diagram
BTURN 6; HAZARD FLASHER LIGHTS F-l
BLUE3 TRADE NUMBER
FRONT TURN: 1157 (27W)
REAR TURN : 1156 (27W)
HAZARD SWITCH
ILLUMINATION LAMP:
REFER TO SECTION I-4
-01 TURN SWITCH (F) F-02 FLASHER UNIT (F)
I=] (++&I+YI [ml
WITH CHlJISE CONTROL
WITHOUT CRUISE
CONTROL
-05 HAZARD SWITCH (I) E-12 REAR TURN L$“1’ E-13 REAR TURN ‘R$-$
B R/B
G
03UOTX-052
T-34

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

BLUB TRADE NLlNBER
REAR SIDE MARKER 194 (3.8W1 BLUE TRADE NUNBER
TAILLIGHT, 1157 (BW) LICENSE PLATE: 89 (7.5W)
POSITION: 1157 (BW)
4
0
Y
. JB-03
\B a , JE-07
y5 co , JB-07
\s 0
m TAILLIGHTS
mLICENSE PLATE LIGHTS n REAR SIDE MARKER LIGHTS mPOSITION LIGHTS
E-4
HEADLIGHT
SYSTEM
(SECTION E-I, 21
PLATE LIGHT
ri, & t:, &
Q) &
-10 REAR SIDE MARKER E-11 REAR SIDE MARKER E-12 TAILLIGHT LH (RI E-13 TAILLIGHT RH (R)
LIGHT LH (RI LIGHT RH CR1 E-14 LICENSE PLATE ,I,;,-15 LICENSE PLATE :I$$%16 LICENSE PLATE L$
-17 POSITION LIGHT (:; E-16 POSITION LIGHTEST

I
EXTERIOR LIGHTING SYSTEM
TNS system (side marker, license, tail, illumination
light) does not operate
I
Turn ON light switch
I
Check tail 15A fuse
I OK
Confirm battery voltage on W/B wire of TNS relay
connector Repair harness (Main fuse - TNS relay)
I OK
Check TNS relay (Refer to page T-42) Replace the TNS relay OK
Confirm battery voltage on L/G wire of the combination NG
switch Repair harness (TNS relay - Combination switch)
I OK
Confirm battery voltage on RIB wire of front and rear
side marker, license, tail, and illumination light
connectors Repair harness (TNS relay - Lights)
I OK
Confirm continuity on B wire of above connectors to
ground NO
- Repair harness (Lights - Body ground)
Replace the bulbs
I
23UOTX-022
T-38

EXTERIOR LIGHTING SYSTEM T
Stoplight
Circuit diaaram
GTOPLIGHTS F-2
SHIFT-LOCK
BLUB TRADE NUMBER
STOPLIGHT: 1157 (27W)
HIGH MOUNT
STOPLIGHT: 921 (18.4W) G (F) *ENGINE CONTROL UNIT
(SECTION B- lc;26)
G (F) *CRUISE CONTROL UNIT
(SECTION 01)
WITH REAR SPOILER
HIGH MOUNl-
STOPLIGHT
STOPLIGHT STOPLIGHT
-06 STOPLIGHT
SWITCH (F) F-07 HIGH MOUNT STOP-E-12 STOPLIGHT LH(R) E-13 STOPLIGHT RH(R)
LIGHT (R3)
WITH
REAR SPOILER---+ (R2)
03UOTX-057
T-39

I
EXTERIOR LIGHTING SYSTEM
Both stoplights do not operate when brake pedal is
depressed
i
Check stop 20A fuse
I Short circuit
Confirm battery voltage on G/W wire of the stoplight
switch
I Repair harness (Fuse - Stoplight switch) OK
Check the voltage with the brake pedal depressed
I
BD
c
Confirm battery voltage on G Replace the stoplight switch
8) OK
Confirm battery voltage on G Repair harness (Stoplight switch - Stoplight)
(B
Confirm continuity on B wir Repair harness (Stoplight - Body ground)
I I I
I
Replace the bulb
I
23UOTX-023 One stoplight does not come on
Burnt out bulb or faulty grounding
03UOTX-058
T-40