Ford TRADER Workshop Manual page 353

G
TROUBLESHOOTING
TROUBLESHOOTING
Trouble
Possible Cause Action to
be
Taken
Starting motor does not Battery and related parts
turn, or turns too slowly • Faulty contact of battery terminal
Clean and tighten
to start the engine
• Faulty grounding of negative cable Clean and repair
• Voltage drop caused by discharging Charge
• Insufficient voltage caused by faulty battery Replace
Engine switch
• Faulty contact on engine switch Replace
• Loose engine switch wiring and connectors
• Broken wire between engine switch and magnetic
switch
Repair or Replace
Magnetic switch and related parts
• Loose Wiring and connectors Repair
• Broken wire of magnetic switch pull-in coil Replace
• Faulty contact of magnetic switch contact plate Replace
• Broken wire of magnetic switch holding coil Replace
Starting motor and related parts
• Faulty contact of brUShes Repair or replace
• Fatigued brush spring Replaee
• Faulty grounding of field coil Replace
.. Faulty soldering of field coil
Repair
• Faulty commutator Repair or replace
• Faulty grounding of armature Replace
• Wear on parts
Replace
Starting motor turns, . Insufficient battery capacity Charge
but
the Air heater system and related parts On cold)
engine does not start
• Faulty air heater control unit Replace
• Faulty air heater relay
Replace
• Faulty air heater
Replace
• Faulty water thermosensor
Replace
• Broken or grounded of harness in air heater system Repair or replace
and related parts
Quick start system and related parts
• Faulty QSS control unit
Replace
• Faulty glow plug relay
Replace
• Faulty glow plug
Replace
• Faulty water thermosensor
Replace
• Broken or grounded of harness in
ass
and related
parts
Repair or replace
Starting motor turns,
• Tip of overrunning clutch pinion is worn Replace
but pinion gear does
• Raced overrunning clutch drive spring Replace
not mesh with ring gear
• Raced overrunning clutch Replace
• Faulty sliding surface of spline
Repair or replace
• Worn bushing
Replace
• Worn ring gear Replace
Starting motor turns
• Sticking contact plate of magnetic switch
Replace
continuously and does
• Layer short of magnetic switch coil
Replace
not stop
• Engine (ignition) switch does not return properly Replace
Battery discharge
• Loose drive belt
Adjust
• Grounded or broken stator coil
Replace
• Faulty contact between brush and slip ring Clean and replace
• Faulty rectifier Replace
• Faulty Ie regulator Replace
• Insufficient or unsuitable battery electrolyte Adjust
• Faulty battery electrode (internal short circuit) Replace
• Faulty contact of battery terminal
Clean and tighten
• EXCessive electric load Check power consumption
Overcharged battery
• Faulty
Ie
regulator
Replace
9TGOG1-Cl04
G-4