NEXON DIAGNOSTIC MANUAL

PSCM

DTC Troubleshooting Guide for Nexon

Version: 1.1

Date: 21/06/2017

Author: E&E Chassis - ERC

Page: 7 of 156

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

Disconnect PSCM ECU power supply

connector. Check voltage b/w pin 1& 2.

(Refer Connector View & Information)

Is voltage

> 6V?

Check whether under bonnet fuse box (60

Amp-EPAS) is blown off.

(Circuit

Schematic Diagram)

1. Connect the TML Diagnostic Tool.

2. Turn the Ignition ON

3. Check the status of DTC’s (Memorized/Current)

4. Record the DTC & Clear

5. Turn Ignition OFF & ON

6. Verify If DTC U3001 – 00 is present

Is DTC

Present?

Yes

Stop

Is Fuse

blown off?

Yes

Replace the

respective fuse

Check the Alternator output

voltage.

Stop