JCB P242C-16: Exhaust Catalyst Temperature T4 Voltage Signal Below Minimum Limit

The voltage signal from the exhaust catalyst temperature sensor T4 is below the minimum acceptable limit, indicating a potential issue with the sensor or its circuit.

1. 1

   The voltage signal from the exhaust catalyst temperature T4 sensor

2. 2

   The wiring and connections to the exhaust catalyst temperature T4 sensor

3. 3

   The component identified by this code

1. 1

   Check the voltage signal from the exhaust catalyst temperature T4 sensor

   Use a multimeter to measure the voltage signal from the exhaust catalyst temperature T4 sensor and compare it to the expected range.

2. 2

   Inspect the wiring and connections to the exhaust catalyst temperature T4 sensor

   Look for any damage, corrosion, or loose connections in the wiring and connectors related to the exhaust catalyst temperature T4 sensor.

3. 3

   Test the component identified by this code

   If the voltage signal is still below the minimum limit, test the component identified by this code for proper function.