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




ECM-6000 AIR CONDITIONING (A/C) RELAY
SIGNAL TOO HIGH - INTERMITTENT FAULT

Checking cables



Check signal cable between control module # B44 (# B54) and air conditioning (A/C) relay # 4 for 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)
- To access/replace the control module, Engine Control Module (ECM), Replacing
- To access/replace the air conditioning (A/C) relay, Replacing Relay In the Main Fuse Box
- For information about signals, Pinout Values and Diagnostic Parameters


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