P1773

DTC P1773: Malfunction of ABS

DIAGNOSTIC FUNCTION
TCM detects the ABS abnormality.

DESCRIPTIONS OF MONITOR METHODS
^ When 1.05 seconds have elapsed after TCM started and the ABS abnormality is detected for 0.5 seconds.

MONITOR EXECUTION
^ When 1.05 seconds have elapsed after TCM started (not during (M.U.T-III communication)

MONITOR EXECUTION CONDITIONS (OTHER MONITOR AND SENSOR)

Other Monitor (There is no temporary DTC stored in memory for the item monitored below)
^ Not applicable

Sensor (The sensor below is determined to be normal)
^ Not applicable

LOGIC FLOW CHARTS (Monitor Sequence)





DTC SET CONDITIONS

Check Conditions
^ Time after TCM start: more than 1.05 seconds.

Judgment Criteria
^ ABS status: malfunction

OBD-II DRIVE CYCLE PATTERN
Ignition switch: ON (start the engine and keep it for 10 seconds or more, not during (M.U.T-III communication)

PROBABLE CAUSES
^ Malfunction of the ABS system
^ Malfunction of TCM

DIAGNOSTIC PROCEDURE

STEP 1. ABS system DTC check

Q: Is the ABS system DTC set?
YES: Carry out the troubleshooting for ABS.
NO: Go to Step 2.

STEP 2. Symptom recheck after erasing diagnosis code

Q: Is the check result normal?
YES: Intermittent malfunction
NO: Replace TCM