Mazda 1996 626 Service Manual page 143

Symptom
Flowchart No.4
Possible cause
• Damaged combination switch
• Burnt headlight bulbs
• Open or short circuit in wiring harness
• Poor connection of connector
X
G
H F D
G
X
H F D
n n
m
A C
B D
E -2 0
EXTERIOR LIGHTING SYSTEM
High-beam headlights do not illuminate (626)
Step 1
OK
Burnt
Step 2
1. Remove the column cover.
2. Turn the headlight switch on (second position, high-
A
3. Measure the voltage at terminal F (W) of the combina­
B
_______________________________________ B+: Battery positive voltage
B+
Other
Step 3
1. Disconnect the combination switch connector.
2. Check for continuity between terminals F (W) and B
A
B
Yes
No
Step 4
E
B+
F
Other
Remove and check the high-beam headlight bulbs.
(Refer to page E-47.)
Bulb
Go to Step 2
Replace bulb
(Refer to the 1996 626/MX-6 Workshop Manual, section S.)
beam).
tion switch connector.
Voltage
Go to Step 3
Repair wiring harness
(Headlight relay— Combination switch)
(R/W) of the combination switch.
Continuity
Reconnect connector and go to Step 4
Replace combination switch
(Refer to section Z4)
Measure the voltage at terminal A (R/W) of the head­
light connector.
Voltage
Repair wiring harness
(Headlight— GND)
Repair wiring harness
(Combination switch— Headlight)
Action
Action
Action
B+: Battery positive voltage
Action