Dodge 2004 Neon SX2 Diagnostic Manual page 619

P2503-CHARGING SYSTEM VOLTAGE LOW —
TEST
2 WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
Ignition on, engine not running.
NOTE: Ensure all wires are clear of the engine's moving parts.
Start the engine.
Measure the voltage between the (A11) Generator B+ Terminal and the Battery+
Post.
Is the voltage above 0.4 of a volt?
Yes → Repair the (A11) B+ circuit for high resistance between the
→ Go To 3
No
3 WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
Start the engine.
Warm the engine to operating temperature.
NOTE: Ensure all wires are clear of the engine's moving parts.
Measure the voltage between the Generator case and Battery ground post.
Is the voltage above 0.1 of a volt?
Yes → Repair Generator Ground for high resistance, Generator Case to
→ Go To 4
No
4 Turn the ignition off.
Disconnect the Generator Field harness connector.
Using a 12-volt test light, jumper it across the Generator Field harness connector.
Ignition on, engine not running.
With the DRBIII , actuate the Gen Field Control circuit.
Does the test light illuminate brightly and flash on and off?
Yes → Replace the Generator.
→ Go To 5
No
5 Turn the ignition off.
Disconnect the Generator Field harness connector.
Using a 12-volt test connected to battery voltage, probe the (Z1) Gen Field Ground
circuit in the Generator Field harness connector.
Does the test light illuminate brightly?
Yes → Go To 6
→ Repair the open in the (Z1) Gen Field Ground circuit.
No
ACTION
Generator and Battery.
Perform POWERTRAIN VERIFICATION TEST VER - 3 - NGC.
Battery ground side.
Perform POWERTRAIN VERIFICATION TEST VER - 3 - NGC.
Perform POWERTRAIN VERIFICATION TEST VER - 3 - NGC.
Perform POWERTRAIN VERIFICATION TEST VER - 3 - NGC.
DRIVEABILITY - NGC
Continued
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APPLICABILITY
All
All
All
All