P1773

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 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.