JCB P242D-17: Exhaust Catalyst Temperature T4 Voltage Signal Above Maximum Limit

The voltage signal from the exhaust catalyst temperature sensor T4 is exceeding the maximum allowable 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 related to the exhaust catalyst temperature T4 sensor

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 for 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.