Brake Warning - Subaru Forester 2004 Service Manual

Diagnostics Procedure without Diagnostic Trouble Code (DTC)
ABS (DIAGNOSTIC)
Step
1 CHECK IF OTHER WARNING LIGHTS TURN
ON.
Turn the ignition switch to ON (engine OFF).
2 CHECK ABS AND BRAKE WARNING LIGHT
BULB.
1) Turn the ignition switch to OFF.
2) Remove the combination meter.
3) Remove the ABS warning light and brake
warning light bulb.
3 CHECK BATTERY SHORT OF ABS AND
BRAKE WARNING LIGHT HARNESS.
1) Disconnect the connector (i2) or (B62) from
connector (B37) or (F45).
2) Measure the voltage between connector
(i2) or (B62) and chassis ground.
Connector & terminal
LHD: (i2) No. 23 (+) — Chassis ground
−
( ):
RHD: (B62) No. 13 (+) — Chassis ground
−
( ):
4 CHECK BATTERY SHORT OF ABS AND
BRAKE WARNING LIGHT HARNESS.
1) Turn the ignition switch to ON.
2) Measure the voltage between connector
(i2) or (B62) and chassis ground.
Connector & terminal
LHD: (i2) No. 23 (+) — Chassis ground
−
( ):
RHD: (B62) No. 13 (+) — Chassis ground
−
( ):
5 CHECK WIRING HARNESS.
1) Turn the ignition switch to OFF.
2) Install the combination meter.
3) Turn the ignition switch to ON.
4) Measure the voltage between connector
(i2) or (B62) and chassis ground.
Connector & terminal
LHD: (i2) No. 23 (+) — Chassis ground
−
( ):
RHD: (B62) No. 13 (+) — Chassis ground
−
( ):
6 CHECK BATTERY SHORT OF ABS AND
BRAKE WARNING LIGHT HARNESS.
1) Turn the ignition switch to OFF.
2) Measure the voltage between connector
(B37) or (F45) and chassis ground.
Connector & terminal
LHD: (B37) No. 23 (+) — Chassis ground
−
( ):
RHD: (F45) No. 13 (+) — Chassis ground
−
( ):
Check
Are other warning lights turned
on?
Is the ABS warning light bulb
open?
Is the voltage less than 3 V?
Is the voltage less than 3 V?
Is the voltage 10 — 15 V?
Is the voltage less than 3 V?
ABS-32
Yes
Go to step 2. Repair the combi-
nation meter.
<Ref. to IDI-10,
Combination
Meter Assembly.>
Replace the ABS Go to step 3.
and brake warn-
ing light bulb.
<Ref. to IDI-10,
Combination
Meter Assembly.>
Go to step 4. Repair the warning
light harness.
Go to step 5. Repair the warning
light harness.
Go to step 6. Repair the wiring
harness.
Go to step 7. Repair the wiring
harness.
No