Isuzu A-4JB1 - Hard Starting

NG
OK
OK
OK
OK
NG
TROUBLESHOOTING
177
1. HARD STARTING
1. STARTER INOPERATIVE
Checkpoint Trouble Cause Countermeasure
Neutral switch (If so equipped) Defective neutral switch Replace the neutral switch
Battery
Loose battery cable terminals
Poor connections due to rusting
Clean and/or retighten the bat-
tery cable terminals
Battery discharged or weak Recharge or replace the battery
Fan belt loose or broken Adjust or replace the fan belt
Fusible link Fusible link shorted Replace the fusible link
Starter switch
Defective starter switch or
starter relay
Replace the starter switch or
the starter relay
Starter
Defective magnetic switch or
starter relay
Repair or replace the magnetic
switch
Starter Defective starter Repair or replace the starter motor
NG NG
NG NG
NG NG
NG NG
NG NG
NG NG
NG NG