FAILURE DIAGNOSIS
1-114
TNV DI Service Manual
DTCs (Diagnostic Trouble Codes) General Description
Actuators etc.
Rack actuator
(1) P1212/4: Failure with Rack Actuator (Low Current)
DTC Detecting Conditions
Movement at Error occurrence
Estimation of Failure cause/Error condition
• The connector may not be properly connected.
• Wiring defect of the harness
•
The rack actuator wiring may be disconnected or short-circuited with GND.
• The rack actuator may be faulty.
•
Disconnection of Rack Actuator inner wiring
•
Inner wiring of the rack actuator may be short-circuited with GND.
• The E-ECU internal circuitry may be faulty.
DTC
P1212/4
Failure with Rack Actuator (Low Current)
1 - Precondition; 2 - Detecting condition(s); 3 - Flashing pattern of failure indicator
Check points
1. Key switch ON.
2. Rack actuator current detected equal to or below the lower limit.
3. Eight flashes.
Connector
Harness
Rack actuator
E-ECU
Error Mode
[Stop Immediately]:
The engine stops running.
Run restricted?
Yes: The rack actuator relay is turned OFF, and the rack position is forcibly set to the
engine stop position.
Recovery
Conditions
No.
Remarks
TNV_DI_SM_A4-Troubleshooting.book 114 ページ 2007年11月15日 木曜日 午後5時27分