Test 10AB9

Test 10AB9: CHECK OPEN AND GROUND SHORT CIRCUIT IN POWER SUPPLY CIRCUIT OF RELAY BOX
1) Disconnect connector (ABS1) from hydraulic unit.
2) Connect connector (F8) to relay box.
3) Disconnect connector (F50) from relay box.
4) Measure voltage of relay box.
Connector & terminal:
Valve relay installing point No. 87 & Chassis ground
CHECK: Is the voltage between 10 and 13 Volts?
YES: Test 10AB10
NO: Replace relay box, and check fuse No. 19.