This difficulty will be specific to 94 and 95s only.


If you attempt to use a Vetronix TECH1 or a Mastertech scan tester with the dedicated OBD II 16-pin connector (used on 96 or later cars) to command the SRC controller to flash codes via the "Service Ride Control" light or to clear codes in the SRC controller, you may find neither function works in-spite of the tester manual and the service manual saying a tester can be used for that purpose.


The problem stems from the fact that 94 and 95 ZR1s, while having the 16-pin connector, did not use the the OBD II standard pin layout.


To enable the T1's or Mastertech's SRC functions you need to use the old style 12-pin connector on the end of the tester cable and fit that with the 12/16p "non-OBD II" adapter (Vetronix PN 02001575). Connect the T1/MT cable in that configuration to the car's DLC and the SRC functions work properly.

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