TIAGO TIGOR BSVI - SERVICE MANUAL - DTC 24-12-2021

TATA BSVI Gasoline Program – EMS ECU Bosch DTC Troubleshooting Service Manual Version: 1.2 Date: 18-12-2019 Prepared By: Sunita Mandlik Checked By: Yeshwant Jadhav Approved By: Satish Kumar Document Part No: 2921 02 xxx xxxx Page: 25 of 1498 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. P0011-77: “A” Camshaft Position Actuator Circuit– Commanded Position Not Reachable Overview: ISO Code P0011-77 Customer Symptom MIL turns ON. Fault Effects (On Vehicle) Symptom can be:- 1. RPM oscillation 2. Improper combustion 3. Manifold pressure will be affected which may leads to throttle leakage 4. Emission may exceed the limit Lamp Status (If Any) MIL ON after 3 drive cycle Fault Detection Condition 1. Faulty oil control valve 2. Leakage in the oil gallery 3. Less quantity of oil 4. Less oil temperature 5. Miss alignment of camshaft 6. Camshaft stuck machanically Normal Operating Condition When the signal rate is within threshold Probable Trouble Area VVT Actuator mechanical stuck, Oil Contro,Valve, Oil Leakage, Oil temperature and quantity, Miss Alignment of Camshaft Sensor, Wiring Harness connections, Faulty ECU Healing Condition After 3 drive cycles Fault present deletion 1. Clear DTC Command form Scan tool 2. Stack Over Flow. 3. 40 warm up cycles. 4.ECU flashing 5. ECU power fail Component Details: The variable camshaft timing oil control solenoid is attached to camshaft and is hydraulically operated in order to change the angle of the camshaft relative to crankshaft position. The variable camshaft timing oil control solenoid is controlled by the EMS ECU. The EMS ECU sends a pulse width modulated 12 volt signal to a variable camshaft timing oil control solenoid. The solenoid controls the amount of engine oil flow Preliminary Checks: