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Apr
Cooling Fan Speed Sensor Circuit. The hall effect sensor returns a signal pulse through the speed signal circuit in response to the reluctor track which is located inside the fan clutch. The key component of this temperature controlled fan circuit is Thermistor which has been used to detect the rise in temperature. For Cooling Fan Sensor Harness. What Does P0526 Mean.
The cooling fan speed sensor is built in inside the fan clutch. Manually rotate the cooling fan clutch. If the cooling fan speed sensor fails then it must be replaced. Look for signs of damages. If during operation the PCM detects a loss of the cooling fan speed signal DTC P0526 will set. 2002-05 Chevy TrailBlazers TrailBlazer EXTs GMC Envoys Envoy XLs.
This diagnostic trouble code DTC is a generic OBD-II powertrain code.
The 5-volt reference circuit The cooling fan speed signal circuit The low reference circuit Measure the voltage of the cooling fan speed sensor circuit and a good ground. If the cooling fan speed sensor fails then it must be replaced. How to troubleshoot an electronic clutch fan circuit on an Olds Bravada or Chevy Blazer with a 42L engine. P0528 is the generic OBD-II code alerting you to a malfunction in the fan speed sensor circuit. The cooling fan speed sensor is built in inside the fan clutch. Unplug the cooling fan sensor connector and the connector at the PCM.