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PSCM
DTC Troubleshooting Guide for Nexon
Version: 1.1
Date: 21/06/2017
Author: E&E Chassis - ERC
Page: 54 of 156
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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.
C1315 - 64: Steering angle – Signal Plausibility failure
Overview:
ISO Code
C1315-64
Customer Symptom
Active return and end stop disabled
Fault Effects (On Vehicle)
Assistance continues to be provided. Active return and End
stop disabled
Lamp Status (If Any)
Warning Lamp OFF
Fault Detection Condition
Active return and End stop disabled due to improper PSCM
Steering angle calibration.
Normal Operating Condition
PSCM should provide assist if steering wheel is steered after
engine is cranked. Normal operating range:
ECU will awake from 6V to 18V.
Full assistance is b/w 10V to 16V
Reduced assistance is b/w 8.7V to 10V
Probable Trouble Area
PSCM Steering angle is not calibrated correctly due to
mechanical component of steering system is out of tolerance
limit.
Healing Condition
NA
Component Details:
NA
Preliminary Checks:
NA