Mazda MX-6 1998, Workshop Manual, Page: 1054 / 1282

TROUBLESHOOTING [EXTERIOR LIGHTING SYSTEM]
STEP
INSPECTION ACTION
Remove driver’s side front scuff plate.
Remove driver’s side front side trim.
Remove nut fixed in joint box and remove
CPU from joint box.
Release parking brake lever.
Check for continuity between terminal 1P at
joint box and terminal A of parking brake
switch connector.
Is there continuity?
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Yes Replace CPU.
D- 0 9 -4 0 CPU REMOVAL/INSTALLATION
No Repair wiring harness between CPU and parking brake
switch.
Daytime running lights do not turn off when ignition switch is turned to LOCK or ACC (Canada)
TROUBLESHOOTING HINTS
Malfunction in headlight input signal circuit
@ Daytime running lights do not illuminate
• Ignition switch malfunction
Malfunction in headlight operation circuit
0 Daytime running lights do not illuminate
• CPU malfunction
• Malfunction in wiring harness between ignition switch and CPU
STEP
INSPECTION
ACTION
Remove column cover.
Inspect ignition switch.
tr 09-21 IGNITION SWITCH
INSPECTION
Is ignition switch okay?
Yes Go to next step.
No Replace ignition switch.
c r 09-21 IGNITION SWITCH
REMOVAL/INSTALLATION
Remove nut fixed in joint box and remove
CPU from joint box.
Turn ignition switch to ACC or ON.
Measure voltage at terminal 1C at joint box.
Is voltage
B+?
Yes Replace CPU.
D- 0 9 -4 0 CPU REMOVAL/INSTALLATION
No Repair wiring harness between terminal F of ignition
switch and terminal 1C of CPU.
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