ABS(diag)-45
ABS (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
Check
Yes
No
1
CHECK POOR CONTACT IN CONNECTOR.
Check the poor contact between ABSCM&H/U
and ABS wheel speed sensor.
Is there poor contact?
Repair the con-
nector.
Go to step 2.
2
CHECK HARNESS CONNECTOR BETWEEN
ABSCM&H/U AND ABS WHEEL SPEED
SENSOR.
1) Disconnect the connector (B301) from
ABSCM&H/U.
2) Disconnect the connector from ABS wheel
speed sensor.
3) Measure the resistance between
ABSCM&H/U connector and ABS wheel speed
sensor connector.
Connector & terminal
DTC C0101
(B301) No. 3 — (R72) No. 1:
(B301) No. 4 — (R72) No. 2:
DTC C0102
(B301) No. 2 — (R73) No. 1:
(B301) No. 17 — (R73) No. 2:
DTC C0103
(B301) No. 5 — (B6) No. 1:
(B301) No. 6 — (B6) No. 2:
DTC C0104
(B301) No. 16 — (B15) No. 1:
(B301) No. 1 — (B15) No. 2:
Is the resistance less than 0.5
Ω
?
Go to step 3.
Repair the har-
ness connector
between
ABSCM&H/U and
ABS wheel speed
sensor.
3
CHECK GROUND SHORT OF HARNESS.
Measure the resistance between ABSCM&H/U
connector and chassis ground.
Connector & terminal
DTC C0101
(B301) No. 4 — Chassis ground:
DTC C0102
(B301) No. 17 — Chassis ground:
DTC C0103
(B301) No. 6 — Chassis ground:
DTC C0104
(B301) No. 1 — Chassis ground:
Is the resistance more than 1
M
Ω
?
Go to step 4.
Repair the har-
ness connector
between
ABSCM&H/U and
ABS wheel speed
sensor.
4
CHECK ABS WHEEL SPEED SENSOR POW-
ER SUPPLY CIRCUIT.
1) Connect the ABSCM&H/U connector.
2) Turn the ignition switch to ON.
3) Measure the voltage between ABS wheel
speed sensor connector and chassis ground.
Connector & terminal
DTC C0101
(R72) No. 1 — Chassis ground (
−
):
DTC C0102
(R73) No. 1 — Chassis ground (
−
):
DTC C0103
(B6) No. 1 (+) — Chassis ground (
−
):
DTC C0104
(B15) No. 1 (+) — Chassis ground (
−
):
Is the voltage 5 — 16 V?
Go to step 6.
Go to step 5.
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