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DTC P1773: Malfunction of ABS
 
 
 
 
DIAGNOSTIC FUNCTION
TCM detects the ABS abnormality.
 
 
DESCRIPTIONS OF MONITOR METHODS
  • When the ABS error signal reception continues for 0.5 seconds.
 
 
MONITOR EXECUTION
  • When 1.05 seconds have elapsed after TCM started (not during scan tool 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 scan tool communication)
 
 
PROBABLE CAUSES
  • Malfunction of the ABS system
  • Malfunction of TCM
 
 
DIAGNOSIS
STEP 1. ABS system DTC check
Is the ABS system DTC stored?
Carry out the troubleshooting for ABS.
Go to Step 2.
 
STEP 2. Symptom recheck after erasing diagnostic trouble code
Is the check result normal?
Intermittent malfunction
Replace TCM.