3921 / 4910
{Osprey CCM}
DTC Troubleshooting Data
Version: 2.0
Date: 28-Jul-17
Author: ERC
Page: 105 of 244
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TATA MOTORS Ltd.
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5
Mot +
Motor signal is + in
CW and Motor
signal is - in CCW
Digital
6
Mot -
Motor signal is - in
CW and Motor
signal is + in CCW
Digital
Inspection Method: -
1)If there is no continuity between the Fresh/RECIRC door potentiometer supply line & ECU
connector then correct the wiring harness
2) If there is a continuity between the Fresh/RECIRC door potentiometer supply line and Ground line, correct the wiring
harness (wiring harness short to Ground)