491 / 4910
Q501 4 Cylinder MT Application
DTC Troubleshooting Data
Version: 0.1
Date: 21-Sep-2018
Prepared By: Mithi Prasad, Sarang Kulkarni, Manish Gupta
Checked By: Yogesh Jadhav
Approved By: Satish Kumar P
Page: 459 of 1052
Copyright ©
TATA MOTORS Ltd.
This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author.
P2118-92: Throttle Actuator "A" Control Motor Current Range/Performance: Throttle valve actuator command
overload
Overview:
DTC Description (User Friendly)
Throttle Actuator "A" Control Motor Current
Range/Performance: Throttle valve actuator command
overload
ECU Pin Number
A016, A098, A097,A008, A009
Customer Symptom
MIL ON, CEL OFF
Fault Effects (On Vehicle)
-
Lamp Status (If Any)
MIL ON. MIL Turns Off as and when fault condition is not
present / healed.
Fault Detection Condition (Root cause)
This DTC gets logged If Short Circuit over Load error is
present.
Normal Operating Condition
If Short Circuit over Load error is not present.
Probable Trouble Area
Wiring harness connections between TVA Actuator and EMS
ECU.
Healing Condition
Rectify the error Clear through diagnostic tool.
Ignition OFF & ON
Component Details:
Throttle valve is connected to accelerator pedal. Throttle position sensor measures current position of throttle valve,
based on this ems generates signal to the TVA Actuator. Signal generation for the actuator is based on TVA position
sensor signal value.
Preliminary Checks:
1. Check whether the customer voice / view about the issue is matching with the fault effects mentioned in above
Table. If yes, go ahead with next steps. If not, check for other DTC’s presence.
2. Check whether other customers report similar complaints earlier. If yes, perform the preliminary checks with
respect to earlier issue closure.
3. Check for Damage in EMS ECU connector / TVA Actuator and TVA position sensor.
4. Check for any back out of pins at EMS ECU connector / TVA Actuator and TVA position sensor.
5. Check for any damage of pins at EMS ECU connector / TVA Actuator and TVA position sensor.