1987 MAZDA 626 engine

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Page 713 of 1865

MAZDA 626 1987 Workshop Manual
TROUBLESHOOTING GUIDE 5
TROUBLESHOOTING GUIDE
Problem Possible cause Remedy Page
Starter does not turn at all, or Its turning speed Is too slow to start the engine.
Battery and related parts Poor

TROUBLESHOOTING GUIDE 5
TROUBLESHOOTING GUIDE
Problem Possible cause Remedy Page
Starter does not turn at all, or Its turning speed Is too slow to start the engine.
Battery and related parts Poor contact of battery terminals Poor grounding of negative cable Voltage drop caused by discharged battery Insufficient voltage caused by battery malfunction
Clean and tighten Clean and repair Recharge Replace
5- 8
5- 8 5- 8
Ignition switch and related parts Poor contact of ignition switch Loose ignition switch wiring or connector Broken wire between ignition switch and magnetic switch
Replace Repair Repair or replace 5-38,45,56,66
Magnetic switch and related parts Loose wiring and/or connectors Burnt magnetic switch contact plate or improper contact Broken wire in magnetic switch pull-in coil Broken wire magnetic switch holding coil
Repair Replace
Replace Replace
5-38,45,56,66 5-43,54,64,74
5-43,54,64,74 5-43,54.64,74
Starter Poor contact of brushes
Fatigued brush spring Poor grounding of field coil Poor soldering of field coil Commutator mulfunction Grounded armature Worn parts
Adjust contact or replace Replace Replace Repair Repair or Replace Replace Replace
5-43,54,64,74
Starting problem Gasoline engine Insufficient battery capacity Malfunction of spark plug (s)
Loose positive terminal Damaged distributor cap or rotor Ignition coil malfunction laniter malfunction
Recharge Clean, adjust or replace Tighten Replace Replace Renlane
5— 8 5— 9
5—16 5—10 5-16,20
Diesel engine Insufficient battery capacity QSS svstem malfunction Recharge ReDlace 5— 8 5-76
Starter turns but pinion gear does not mesh with ring gear
Starter Tip of overrunning clutch pinion is worn Weakened overrunning clutch drive spring Worn overrunning clutch Improper sliding of spline
Worn bushing Worn ring gear
Replace Replace Replace Adjust contact and repair, or replace Replace ReDlace
5-40,54,70
Starter turns continuously (does not stop) Magnetic switch Sticking contact place of magnetic switch Layer shorting coil of magnetic switch Ignition switch does not return
Replace Replace Rfinlanfi
5-43,54,64,74 5-43,54,64,74
Misfiring Dirty or damaged spark plug (s) Malfunction of wiring, or open circuit Damaged distributor cap
Clean or replace Repair or Replace Replace
5- 9 5—10 5—16
Discharging of battery Alternator Loose drive belt Grounded or broken stator coil Broken rotor coil Poor contact of brush and slip ring
Malfunction of rectifier Malfunction of IC regulator Battery and related parts Insufficient or unsuitable battery electrolyte Malfunction of battery electrode (internal short-circuit) Poor contact of battery terminal (s) Excessive electric load
Adjust Replace Replace Clean, repair or replace Replace Replace
Adjust Replace
Clean and tighten Check power consump-tion and short circuit
5-37 5-32 5-32 5-32
5-34
5— 8 5- 8
5— 8
Overcharging of battery IC regulator malfunction Operating in extremely high temperature Replace Reoair
Poor acceleration Mis-adjusted ignition timing Distributor malfunction Adjust Repair or replace 5—11 5—11
Knocking Mis-adjusted ignition timing | Distributor malfunction Adjust Repair or replace 5—11 5—11
76G05X-003
5-7