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PSCM
DTC Troubleshooting Guide for Nexon
Version: 1.1
Date: 21/06/2017
Author: E&E Chassis - ERC
Page: 48 of 156
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.
Trouble Shooting:
YES
No
RESET THE PSCM ECU (REMOVE THE
PSCM ECU POWER PLUG FROM THE
ECU, RECONNECT AFTER 5 MIN)
1. CLEAR THE DTC FROM THE MEMORY
2. TURN THE IGNITION SWITHCH OFF & ON
3. CHECK THE DTC
IS DTC
PRESENT
NO
REPLACE THE
STEERING COLUMN
Stop
1. CONNECT THE TML DIAGNOSTIC TOOL.
2. TURN THE IGNITION ON.
3. CHECK THE STATUS OF DTC’s (MENORIZED/CURRENT)
4. RECORD THE DTC AND CLEAR.
5. TURN IGNITION OFF & ON.
6. READ ECU PARAMETER 6201 USING DIAGNOSTIC TOOL
A) STEERING ROTOR POSITION SENSOR SIGNAL “A” BETWEEN 0 TO 5V.
B) STEERING ROTOR POSITION SENSOR SIGNAL “B” BETWEEN 0 TO 5V.
7. VERIFY IF DTC C1312-62 IS PRESENT
IS DTC
PRESENT?
Yes
STOP