FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Signal Too High - Intermittent Fault




ECM-3000 CAMSHAFT POSITION (CMP) SENSOR
SIGNAL TOO HIGH - INTERMITTENT FAULT

Checking cables



Check signal cable between control module # A47 (# A47) and camshaft position (CMP) sensor connector # 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 ground lead between control module # A65 (# A65) and camshaft position (CMP) sensor connector # 3 for an intermittent open-circuitaccording to [1][2]Checking Wiring and Terminals. Intermittent Faults

Other information
- Connecting the breakout box/accessing the control module Connecting the Breakout Box (ECM)
- Location of components, Locations
- 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.