Mahindra DI-3200-CRX - Injector Bank Diagnostics - Short Circuits; Injector Bank Short to Battery (P2147); Injector Bank Short to Ground (P2148)

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)
Injector
Description:
The EMS ECU’s injector bank are monitored for performance.
DTC Diagnostic item
P2147
P2148
Injector bank short circuit to battery
Injector bank short circuit to ground
DTC detection condition
Probable cause
Normal Operation
• No abnormality
Normal Operating Requirements:
• Correct battery voltage, engine running
Malfunction
• Short to battery or short to ground
Reaction:
• Continuously On
• Engine switches off and then cannot be
started
• Pin bent.
• Wire cut and
getting shorted.
• Injector failure
• EMS ECU failure
P2147: Injector bank short circuit to battery
Either of these pins if they are short to battery will cause the error :
7 or 6 or 44 or 25 or pin 63.
It will also be caused if the following pin/ wires are shorted to each other.
Effect: Lamp will be continuously ON.
Engine will switch OFF.
Possible causes:
1. Open circuit in the wire.
Corrective action: Check for the pin bent/ wire cut and shorted.
Defective injector & ECU
P2147
P2148