Civic HX Coupe L4-1590cc 1.6L SOHC (VTEC-E) MFI (1997)
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Technical Service Bulletin # 98-029
Date: 980331
Headlight/Dash Light - Intermittent Intensity Changes
98-029
March 31, 1998
Applies To: 1997-98 Civic - See VEHICLES AFFECTED
Intermittent Changes in Headlight and Dash Light Intensity
SYMPTOM
The intensity of the headlights and dash lights changes intermittently. If the blower motor is on when this happens, its speed changes.
PROBABLE CAUSE
The voltage regulator is faulty.
VEHICLES AFFECTED
1997 Civic:
From April 1997 thru end of 1997 production (Check the production month on the driver's doorjamb sticker.)
1998 Civic:
From beginning of 1998 production thru January 1998 (Check the production month on the driver's doorjamb sticker.)
CORRECTIVE ACTION
Diagnose the problem (see DIAGNOSIS). If necessary (based on your findings), tighten the alternator B terminal wire at the alternator and the
under-hood fuse/relay box or replace the alternator.
PARTS INFORMATION
Alternator: P/N 311 00-P2E-A02RM, H/C 5621867
WARRANTY CLAIM INFORMATION
In warranty:
The normal warranty applies.
Failed part:
P/N 31100-P2E-A02
H/C 5631767
Defect code:
067
Contention code:
B02
Skill level:
Repair Technician
Out of warranty:
Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Service Manager or your Zone Office. You
must request consideration, and get a decision, before starting work.
Diagnosis
1.
Test the battery (see page 23-77 of the 1996-1998 Civic Service Manual). To accurately test the voltage regulator, the battery must be in good
condition and fully charged, with any surface charge removed.