Mazda MX-5 1990 Workshop Manual page 663

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LIGHTING SYSTEM
T
(GIY) (B)
(W IR)(L/Y)
E1Jel9m
(L)(G/W) (G/B) (G/O)
(R)
05UOTX-166
(GN) (9)
(W/R)(LN)
(~)
05UOTX-167
05UOTX-168
Removal I Installation
Refer to the following pages:
Item
Headlight switch (in combination switch)
Hazard warning switch
Turn signal switch (in combination switch)
Daytime running lights (Front turn signal lights)
Step 4
1. Turn on the ignition switch.
2. Turn on the headlight switch.
3. Check the voltage at the following terminal-wires of the DRL
unit connector.
Wire
Voltage
(G/B)
Cycles 12V and OV
(G/W)
Cycles 12V and OV
4. If not as specified, repair the wire harness.
(Turn and hazard warning flasher unit -
DRL unit)
5. If correct, replace the DRL unit.
Step 5
1. Turn on the ignition switch.
2. Pull the parking brake lever more than one notch.
3. Check the voltage at terminal-wire (R) of the DRL unit con-
nector.
Wire
Voltage
(R)
OV
4. If not as specified, go to Step 6.
5. If correct, replace the DRL unit.
Step 6
1. Disconnect the parking brake switch connector.
2. Check continuity between the terminal of the switch and a
body ground.
. .
Parking brake lever
Continuity
Pulled one notch
Yes
Released
No
3. If not as specified, adjust or replace the parking brake switch.
4. If correct, repair wires (R) and (LtV). (Parking brake switch
-
DRL unit)
Reference page
T-23
T-25
T-23
T-69
05UOTX-169
T-81

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