obd2cartool.com Tech-2-User-Guide

VCI MODULE DIAGNOSTIC CHART
Test Results Solution
MUX
(Multiplexer)
MUX A:
MUX B:
S5 & S14
pass/fail
S1 & S3
pass/fail
If MUX A or B fails, cycle Tech 2 power and retest.
If problem persists, contact Customer Support.
VCI adapter ID
(performed only during
selectable VCI test)
VCI ADC
(Analog to digital converter)
Cross point
SIPO
(Serial In Parallel Out)
DLC
(Data Link Connector)
CCD
(Chrysler Collision Detection)
Recognized adapter
Cannot identify adapter
Channel A - pass/fail
Channel B - pass/fail
Pull up - pass/fail
TPU5, TPU1, and TPU0 - pass/fail (results
from selectable VCI test)
Pass/fail for each area tested
DLC1 - DLC2
pass/fail count
DLC2 - DLC1
pass/fail count
CCD - pass/fail
CCD - loopback not connected
If adapter fails, use a different adapter to make sure
that the VCI correctly identifies the adapters.
Cycle Tech 2 power and retest failed adapter. If adapter
fails second test, contact Customer Support.
If channel A or channel B fail, cycle Tech 2 and retest.
If problem persists, contact Customer Support.
If a failure occurs, cycle Tech 2 and retest.
If problem persists, contact Customer Support.
If a failure occurs, cycle Tech 2 and retest.
If problem persists, contact Customer Support.
If a failure occurs, cycle Tech 2 and retest.
If problem persists, contact Customer Support.
Connect loopback and retest if loopback not connected.
If test fails, disregard results. Test is not for GM vehicles
(other than Saab) at this time.
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