Signal Too High - Intermittent Fault

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

Checking cables



Check the signal cable between control module #B44 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
- Connecting the breakout box/accessing the control module Connecting the Breakout Box (ECM)
- To access/replace the air conditioning (A/C) relay, Integrated Relay/Fusebox, Engine Compartment, 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.