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Home >> Buick >> 1995 >> Park Avenue Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> ECM/Pcm Code Charts >> Code P0342, Cam Signal Circuit >> Test Description
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Test Description

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. This step verifies integrity of sensor circuits.
  2. This step verifies integrity of circuit between ICM and PCM.
  3. Voltage reading will be zero if camshaft gear magnet is interfacing with camshaft position sensor.
  4. If voltage reading of cam signal circuit is constantly varying and connection to PCM is good, PCM is faulty.
Fig 1: Code P0342 Schematic (3.8L) Cam Signal Circuit
G95B13848
Fig 2: Code P0342 Diagnostic Flow Chart (3.8L) Cam Signal Circuit
G94B35205