Page 200 - Workshop Manual - Aumark (BJ1051)

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Diagnose- ABS system

Is check result normal?
Yes > Replace fuse F23 (15A), and perform a road test.
If the fuse is reblown, replace ABS control unit.
No > Replace fuse F23 (15A) and repair line to ground short between the fuse and connector
pin 8 of ABS control unit B013.
6. Checking power circuit of ABS control unit
(a) Ignition switch: ON.

(b) Use a multimeter to measure voltages to
ground of connector pins 7 and 8 of ABS
control unit B013 respectively.
Voltage: battery voltage

04
Are check results normal?
Yes > Go to step 7.
No > Repair line open between power relay IG and connector pin 7 of ABS control unit B013.
Repair line open between F/L1 (50A) and connector pin 8 of ABS control unit B013.
7. Checking ground circuit of ABS control unit
(a) Ignition switch: OFF.

(b) Use a multimeter to measure resistances
to ground of connector pins 4 and 9 of
ABS control unit B013 respectively.
Resistance: ≤2Ω

Are check results normal?
Yes > Replace ABS control unit.
No > Repair lines between connector pins 4 and 9 of ABS control unit B013 and ground.

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