DTC C0020:11/C0020:12/C0020:13/C0020:71 [DYNAMIC STABILITY CONTROL (DSC)]
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Switch the ignition ON (engine off).
Access PMP_MT_SP active command modes
using the M-MDS.
Does the pump motor operate?
to Step 6.
(See
3
INSPECT MOTOR RELAY POWER SUPPLY FOR OPEN
CIRCUIT
Switch the ignition to off.
Disconnect the DSC HU/CM connector.
Inspect for continuity between DSC HU/CM
terminal B (vehicle harness-side) and the
positive battery terminal.
Is there continuity?
YesGo to the next step.
No Repair or replace the wiring
harness, then go to Step 6.
4
INSPECT MOTOR RELAY POWER SUPPLY FOR SHORT
CIRCUIT
Inspect for continuity between DSC HU/CM
terminal B (vehicle harness-side) and body
ground.
Is there continuity?
YesRepair or replace the wiring
harness, then go to Step 6.
No Go to the next step.
5
INSPECT PUMP MOTOR GROUND FOR OPEN CIRCUIT
Inspect for continuity between DSC HU/CM
terminal AL (vehicle harness-side) and body
ground.
Is there continuity?
YesGo to the next step.
No Repair or replace the wiring
harness, then go to the next step.
6
VERIFY THAT THE SAME DTC IS NOT PRESENT
Reconnect all disconnected connectors.
Clear the DTCs from the memory.
(See
Start the engine and drive the vehicle at
10
km/h {6.2 mph} or more
.
Are the same DTCs present?
YesRepeat the inspection from Step 1.
If the malfunction recurs, replace
the DSC HU/CM, then go to the
next step.
(See
No Go to the next step.
7
VERIFY THAT NO OTHER DTCS ARE PRESENT
Are any other DTCs output?
YesGo to the applicable DTC
inspection.
(See
[DYNAMIC STABILITY CONTROL
(DSC)]
.)
No DTC troubleshooting completed.