SNR9AC7D52100000000HBAT01
Symptom
Diagnostic procedure
19-105
Symptom Troubleshooting Index
When the vehicle has one of these symptoms, check for VSA diagnostic trouble codes (DTCs) with the HDS. If there
are no DTCs, do the diagnostic procedure for the symptom, in the sequence listed, until you find the cause.
HDS does not communicate with the VSA modulator-
control unit or the vehicle
Troubleshoot the DLC circuit (see page 11-204).
VSA activation indicator does not come on at start-up
(bulb check)
1.
2.
Do the gauge control module troubleshooting
(see page 22-241).
Substitute a known-good VSA modulator-control unit,
then recheck. If it is OK, replace the original VSA
modulator-control unit (see page 19-171).
VSA activation indicator does not go off, and no DTCs
are stored
1.
2.
Symptom Troubleshooting (see page 19-165).
Substitute a known-good VSA modulator-control unit,
then recheck. If it is OK, replace the original VSA
modulator-control unit (see page 19-171).
ABS indicator, brake system indicator, and VSA
indicator do not come on
1.
2.
Do the gauge control module troubleshooting
(see page 22-241).
Substitute a known-good VSA modulator-control unit,
then recheck. If it is OK, replace the original VSA
modulator-control unit (see page 19-171).
ABS indicator, brake system indicator, and VSA
indicator do not go off
1.
2.
3.
Check for F-CAN DTCs, and troubleshoot and repair
those first.
Do the gauge control module troubleshooting
(see page 22-241).
Symptom Troubleshooting (see page 19-166).
08/08/21 15:04:52 61SNR030_190_0105