Signal Too High - Intermittent Fault

ECM-9400 BRAKE PEDAL POSITION SENSOR, FAULTY SIGNAL
SIGNAL TOO HIGH - INTERMITTENT FAULT

Checking wiring and connectors



Check brake pedal connector for loose connections according to [1][2]Checking Wiring and Terminals. Intermittent Faults

Check the signal cable between engine control module (ECM) # B16 and brake pedal sensor # 2 for an intermittent open-circuit according to [1][2]Checking Wiring and Terminals. Intermittent Faults and an intermittent short-circuit to supply voltage according to [1][2]Checking Wiring and Terminals. Intermittent Faults

Check the signal cable between engine control module (ECM) # B4 and brake pedal sensor # 2 for an intermittent open-circuit according to [1][2]Checking Wiring and Terminals. Intermittent Faults and an intermittent short-circuit to supply voltage according to [1][2]Checking Wiring and Terminals. Intermittent Faults

Other information
- To connect the breakout box, Connecting the Breakout Box (ECM)
- For information about signals, see Diagnostic Parameters and Pinout Values. Signal Description, ME7, B5XX4T


Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.