ABS(diag)-40
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ABS (DIAGNOSTICS)
N: DTC C0121 FRONT OUTLET SOLENOID VALVE LH MALFUNCTION IN ABS
CONTROL MODULE AND HYDRAULIC CONTROL UNIT (ABSCM&H/U)
NOTE:
Refer to DTC C0127 for diagnostic procedure. <Ref. to ABS(diag)-41, DTC C0127 REAR OUTLET SOLE-
NOID VALVE RH MALFUNCTION IN ABS CONTROL MODULE AND HYDRAULIC CONTROL UNIT (AB-
SCM&H/U), Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
O: DTC C0123 FRONT OUTLET SOLENOID VALVE RH MALFUNCTION IN ABS
CONTROL MODULE AND HYDRAULIC CONTROL UNIT (ABSCM&H/U)
NOTE:
Refer to DTC C0127 for diagnostic procedure. <Ref. to ABS(diag)-41, DTC C0127 REAR OUTLET SOLE-
NOID VALVE RH MALFUNCTION IN ABS CONTROL MODULE AND HYDRAULIC CONTROL UNIT (AB-
SCM&H/U), Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
P: DTC C0125 REAR OUTLET SOLENOID VALVE LH MALFUNCTION IN ABS
CONTROL MODULE AND HYDRAULIC CONTROL UNIT (ABSCM&H/U)
NOTE:
Refer to DTC C0127 for diagnostic procedure. <Ref. to ABS(diag)-41, DTC C0127 REAR OUTLET SOLE-
NOID VALVE RH MALFUNCTION IN ABS CONTROL MODULE AND HYDRAULIC CONTROL UNIT (AB-
SCM&H/U), Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
Step
Check
Yes
No
1
CHECK INPUT VOLTAGE OF ABSCM&H/U.
1) Turn the ignition switch to OFF.
2) Disconnect the ABSCM&H/U connectors.
3) Run the engine at idle.
4) Measure the voltage between ABSCM&H/U
connector and chassis ground.
Connector & terminal
(B301) No. 18 (+) — Chassis ground (–):
Is the voltage 10 — 15 V?
Go to step
2
.
Repair the
ABSCM&H/U
power circuit.
2
CHECK THE ABSCM&H/U GROUND CIR-
CUIT.
1) Turn the ignition switch to OFF.
2) Measure the resistance between the
ABSCM&H/U connector and chassis ground.
Connector & terminal
(B301) No. 15 — Chassis ground:
Is the resistance less than 0.5
:
? Go to step
3
.
Repair the
ABSCM&H/U
ground harness.
3
CHECK POOR CONTACT OF CONNECTOR.
Is there poor contact of connec-
tor between generator, battery
and ABSCM&H/U?
Repair the connec-
tor.
Go to step
4
.
4
CHECK ABSCM&H/U.
1) Connect all connectors.
2) Clear the memory. <Ref. to ABS(diag)-21,
Clear Memory Mode.>
3) Perform the Inspection Mode. <Ref. to
ABS(diag)-20, Inspection Mode.>
4) Read the DTC.
Is the same DTC displayed?
Replace the
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Go to step
5
.
5
CHECK FOR ANY OTHER DTC ON DISPLAY.
Is any other DTC displayed?
Check DTC using
“List of Diagnostic
Trouble Code
(DTC)”. <Ref. to
ABS(diag)-26, List
of Diagnostic Trou-
ble Code (DTC).>
Temporary poor
contact occurs.
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