Symptoms - Engine Electrical. Chevrolet Joy 2008

For 1990-2009 cars

Table 1: | No Crank
Table 2: | Crank OK, But Too Slow
Table 3: | Starter Motor Does Not Stop
Table 4: | Starter Motor Running, But Not Cranking
Table 5: | Overcharging Battery
Table 6: | Battery Discharge
Table 7: | Charging Indicator Lamp Does Not Work When the Ignition Switch is ON - Engine Does Not Work
Table 8: | Charging Indicator Lamp Does Not Put Out Lights After Starting the Engine
Table 9: | Hard to Start the Engine
Table 10: | Engine Idling State is Unstable
Table 11: | Poor Engine Accelerating

#### No Crank

Checks | Actions
--- | ---
Low battery voltage | Charging the battery or replace the battery.
Battery cable is loose, corroded, or damaged. | Repair or replace the battery cable.
Faulty starter motor or starter motor circuit is open. | Repair or replace the starter motor/starter motor circuit.
Faulty ignition switch or fuse Ef2 is blown. | Replace the ignition switch or fuse Ef2.
Ground short | Repair the ground short.

#### Crank OK, But Too Slow

Checks | Actions
--- | ---
Low battery voltage | Charging the battery or replace the battery.

• | Battery

• | Battery cables is loose, corroded, or damaged.

Repair or replace the battery cable.

Faulty starter motor | Repair or replace the starter motor.

#### Starter Motor Does Not Stop

Checks | Actions
--- | ---
Faulty starter motor | Repair or replace the starter motor.
Faulty ignition switch | Replace the ignition switch.

#### Starter Motor Running, But Not Cranking

Checks | Actions
--- | ---
Broken clutch pinion gear or faulty starter motor | Replace the starter motor.
Broken flywheel ring gear | Replace the flywheel.
Connected circuit is open. | Repair the open circuit.

#### Overcharging Battery

Checks | Actions
--- | ---
Faulty IC regulator | Replace the IC regulator.

#### Battery Discharge

Checks | Actions
--- | ---
Loosen the generator drive belt. | Adjust the belt tension or replace the belt.
The circuit is open or shorted. | Repair the open or shorted circuit.
Faulty IC regulator | Replace the IC regulator.
Battery run down | Replace the battery.
Open ground circuit | Repair the open ground circuit.

#### Charging Indicator Lamp Does Not Work When the Ignition Switch is ON - Engine Does Not Work

Checks | Actions
--- | ---
Fault IC regulator | Replace the IC regulator.
Charging indicator lamp is blown or fuse F8 is blown. | Repair or replace the charging indicator lamp/fuse F8.
Faulty ignition switch | Replace the ignition switch.
Generator ground circuit is open or shorted. | Repair the circuit.

#### Charging Indicator Lamp Does Not Put Out Lights After Starting the Engine

Checks | Actions
--- | ---
Faulty IC regulator | Replace the IC regulator.
Battery cable is corroded or damaged. | Repair or replace the battery cable.
Loosen the generator drive belt. | Adjust the belt tension or replace the belt.
Faulty wiring harness | Repair the wiring harness.

#### Hard to Start the Engine

Checks | Actions
--- | ---
Faulty ignition coil | Replace the ignition coil.
Faulty distributor,include the optical sensor | Replace the distributor or the optical sensor.
Faulty spark plug | Replace the spark plug or adjust the gap.
Poor ignition timing | Reset the valve timing.

#### Engine Idling State is Unstable

Checks | Actions
--- | ---
Faulty spark plug | Replace the spark plug or adjust the gap.
Faulty ignition coil | Replace the ignition coil.
Poor ignition timing | Reset the valve timing.

#### Poor Engine Accelerating

Checks | Actions
--- | ---
Poor ignition timing | Reset the valve timing.