ELECTRICAL
4222983 Second Edition 4-117
4
DTC: OLM Warning 33
OLM detects less current than expected through resistor 3.
DTC: OLM Warning 41
OLM detects a short circuit to ground in resistor 4.
DTC: OLM Warning 42
OLM detects no current through resistor 4.
DTC: OLM Warning 43
OLM detects less current than expected through resistor 4.
Probable Cause Remedy
Faulty connection. Check the resistor for loose terminals. Make sure the resistor terminals are clean and
tight.
Moist debris between resistor and frame. Clear debris.
Ring terminal touching frame. Check ring terminal connection.
Faulty resistor. Measure resistance between the resistor terminals. Resistance must be approximately 2
ohms.
Probable Cause Remedy
Moist debris between resistor and frame. Clear debris.
Ring terminal touching frame. Check ring terminal connection.
Faulty resistor. Measure resistance between the resistor terminals. Resistance must be approximately 2
ohms.
Probable Cause Remedy
Faulty connection. Check the resistor for loose terminals. Make sure the resistor terminals are clean and
tight.
Faulty resistor. Measure resistance between the resistor terminals. Resistance must be approximately 2
ohms.
Faulty overvoltage limit monitor. Substitute the overvoltage limit monitor with a known good overvoltage limit monitor. If
system now works, re-install old component to verify fault returns.
Probable Cause Remedy
Faulty connection. Check resistor for loose terminals. Make sure resistor terminals are clean and tight.
Moist debris between resistor and frame. Clear debris.
Ring terminal touching frame. Check ring terminal connection.
Faulty resistor. Measure resistance between the resistor terminals. Resistance must be approximately 2
ohms.
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