P0562
System Voltage Low
• Reverse battery cable connection (+/- reverse)
• Faulty alternator
P0563
System Voltage High
P0650
Malfunction Indication Lamp
(MIL) Control Circuit Malfunction
• Open or short between lamp and ECM
• Faulty lamp
P1624
Cooling Fan Relay Circuit
Malfunction (LOW)
• Open or short between relay and ECM
• Short to GND between relay and ECM
• Open between relay and ECM
• Faulty relay
P1625
Cooling Fan Relay Circuit
Malfunction (HIGH)
MAJOR SENSOR REFERENCE WAVE-FORMS
Page 14 of 14
24.04.2008
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