FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Signal Too Low - Intermittent Fault




ECM-4010 EVAP CANISTER SHUT-OFF VALVE
SIGNAL TOO LOW - INTERMITTENT FAULT

Checking cables



Check signal cable between control module # B40 (# B50) and EVAP canister shut-off valve terminal 2 for an intermittent short-circuit to ground according to [1][2]Checking Wiring and Terminals. Intermittent Faults

Other information
- Connecting the breakout box/accessing the control module Connecting the Breakout Box (ECM)
- To access/replace the EVAP canister shut-off valve, EVAP Canister Shut-Off Valve, Replacing
- 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.