P0606 Pcm Internal Performance - Isuzu 2000 Trooper Workshop Manual

Diagnostic Trouble Code (DTC) P0606 PCM Internal Performance
Circuit Description
The input/output devices
analog-to-digital converters, signal buffers, counters, and
special drivers. The PCM controls most components with
electronic switches which complete a ground circuit when
turned "ON". These switches are arranged in groups of 4
and 7, called either a surface-mounted quad driver
module (QDM), which can independently control up to 4
output terminals, or QDMs which can independently
control up to 7 outputs.
Conditions for Setting the DTC
D This code detects inconsistencies between Main CPU
A/D converters and Watchdog CPU A/D converters.
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
in the PCM include
Action Taken When the DTC Sets
D The PCM will not illuminate the malfunction indicator
lamp (MIL).
D The PCM will store conditions which were present
when the DTC was set in the Failure Records data only.
Conditions for Clearing the MIL/DTC
D The PCM will turn the MIL "OFF" on the third
consecutive trip cycle during which the diagnostic has
been run and the fault condition is no longer present.
D A history DTC P0606 will clear after 40 consecutive
warm-up cycles have occurred without a fault.
D DTC P0606 can be cleared by using the Tech 2 "Clear
Info" function or by disconnecting the PCM battery
feed.
6E–371
060RY014