Signal Too High - Intermittent Fault
Signal too high. Intermittent fault
Checking cables and connectors
Check fuel tank pressure sensor connector for contact resistance and oxidation according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check signal cable between engine control module (ECM) connector #B31(#B41) and fuel tank pressure sensor connector #2 for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check signal cable between engine control module (ECM) control module #B4 (#B14) and fuel tank pressure sensor connector #1 for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check signal cable between engine control module (ECM) connector #B10 (#B20) and accelerator pedal (AP) position sensor #3 for an intermittent open circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Other information:
- For connection of engine control module (ECM) breakout box, see Connecting the breakout box Connecting the Breakout Box.
- To access/replace the fuel tank pressure sensor see the relevant service procedure.
- Voltage supply for the fuel tank pressure sensor #3 is approximately 5 V. #1 is ground terminal and #2 is signal.
- For information about signals, see Signal specification Signal Description / Specification.
Continue - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).
Do you want to view the information again?
Yes - Attempt New Test
No - Fault Found
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Attempt New Test - Checking cables and connectors
FAULT FOUND - DONE
DONE - DONE
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