Mazda 2002 6 Workshop Manual page 973

DTC 04 Door switch on/off signal
Diagnostic procedure
STEP INSPECTION
1 Open driver-side door. (Door switch
on.)
2 Open passenger-side door. (Door
switch on.)
3 Open rear door on driver's side.
(Door switch on.)
4 Open rear door on passenger's
side. (Door switch on.)
T–78
WARNING AND INDICATOR SYSTEM
INDICATION ACTION
Close driver-side door, then go to next step.
Measure voltage at instrument cluster terminal 1J.
Is voltage 0 V?
• If as specified, replace instrument cluster.
• If not as specified, inspect following parts.
— Door switch
— Wiring harness (Instrument cluster—door switch)
Close passenger-side door, then go to next step.
Measure voltage at instrument cluster terminal 1I.
Is voltage 0 V?
• If as specified, replace instrument cluster.
• If not as specified, inspect following parts.
— Door switch
— Wiring harness (Instrument cluster—door switch)
Close rear door on driver's side, then go to next step.
Measure voltage at instrument cluster terminal 1I.
Is voltage 0 V?
• If as specified, replace instrument cluster.
• If not as specified, inspect following parts.
— Door switch
— Wiring harness (Instrument cluster—door switch)
Close rear door on passenger's side, then go to next
step.
Measure voltage at instrument cluster terminal 1I.
Is voltage 0 V?
• If as specified, replace instrument cluster.
• If not as specified, inspect following parts.
— Door switch
— Wiring harness (Instrument cluster—door switch)