Diagnostic Manual ( EMS)
LCV MDI BSIII CRDe
Rev 01- Mar 14
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The repair methods given by the manufacturer in this document are based on the technical specifications current at the time of release.
The methods may be modified as a result of changes introduced by the manufacturer in the production of the various component units
and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part of whole of the present
document, are prohibited without the prior written consent of 2014 Mahindra & Mahindra Ltd (Truck & Bus Division)
P 0122: Signal range check for APP1 below minimum limit
This error is registered when the signal is below 4.7 V i.e. in Open also.
Effect:
Engine will run at continuous speed of 1300 RPM
Possible causes:
When there is open circuit in the signal of APP1 i.e at Pin 37
Corrective action
: Check for pin back out at IC or the APP module or EMS.
Check for pin bend or oxidation. Wire cut.
P 0123: Signal range check for APP1 above maximum limit
Possible causes:
1. Pin 37 & 76 are short i.e. the signal and the supply.
2. Pin 37 & 20 are short i.e. the signal and the ground
3. Open circuit in the supply i.e. from Pin 76 of EMS to pin D of APP1( grouped with
other codes.
Effect
: Engine will run at continuous speed of 1300 RPM. However at next drive
cycle the engine cannot be started . The check lamp will be continuously ON
Corrective action: Check for pin back out at IC or the APP module or EMS.
Check for pin bend or oxidation.
Wire cut.
P 2135: Plausibility with APP2 violated
Possible causes:
If pin 37 & 78 are short i.e. signal of APP1 & supply of APP2 are
short. (Externally or internally)
Effect:
Engine will run at continuous speed of 1300 RPM. However at next drive
cycle the engine cannot be started. The check lamp will be continuously ON
Corrective action: Check for pin back out at IC or the APP module or EMS.
Check for pin bend or oxidation.
Wire cut.
P0122
P0123
P2135
P1120
Summary of Contents for Cosmo
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