S15/T15 4WD P/U V6-173 2.8L (1985)
![background image](/gmc/s15/t15_4wd_p/u/v6-173_2.8l/Page-1144004.png)
Fig. 9
Rear Wheel Anti-Lock (RWAL) Brake System Code 2 diagnosis. Open isolation valve or ECU malfunction
Fig. 9
Rear Wheel Anti-Lock (RWAL) Brake System Code 2 diagnosis. Open isolation valve or ECU malfunction