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Nexon Gasoline – EMS ECU Bosch
DTC Troubleshooting Manual
Version: 0.1
Date: 26-08-2017
Prepared By: Sunu S Babu/Yogesh Jadhav
Checked By: Yeshwant Jadhav
Approved By: Satish Kumar
Document Part No: 2921 02 224 A1736
Page: 320 of 1203
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.
P0217-4B: Engine Coolant Temperature Over 110 deg C – Over Temperature
Overview:
ISO Code
P0217-4B
Customer Symptom
1. Engine shut-off
2. Danger of damage to engine and other components in engine room
3. The starter abuse function would prevent the vehicle from starting until the
coolant temperature reaches 90 deg C
Fault Effects (On Vehicle)
1. Engine shut-off
2. Danger of damage to engine and other components in engine room
3. The starter abuse function would prevent the vehicle from starting until the
coolant temperature reaches 90 deg C
Lamp Status (If Any)
CE Lamp ON after 1 drive cycle
Fault Detection Condition
This fault gets logged if the EMS ECU senses the Engine Coolant
temperature greater than 110 degrees centigrade
Normal Operating Condition
Coolant Temperature is less than 90 degrees.
Probable Trouble Area
Radiator fan not working, Wiring Harness connections of Radiator fan,
Coolant Evaporated, Cooling flow blocked, Damage to Radiator
Healing Condition
Engine After Run and after 1 drive cycles of fault rectification.
Fault permanent deletion
1. Clear DTC Command form Scan tool
2. Stack Over Flow.
3. 40 warm up cycles.
4. ECU Flashing.
5. ECU Power-Fail
Preliminary Checks:
1. Check whether the radiator fan is functioning well or damaged or stalled
2. Check whether the coolant flow is blocked
3. Check whether the Radiator is damaged
4. Check whether the entire coolant is evaporated
5. Check whether the Radiator Fan wiring harness connections are Faulty