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)
Crankshaft Sensor
Description
-
In order that the ECU can control the engine at all the position of the crankshaft
must be known so that the cylinder in compression and the timing of the next fuel
injection can be calculated. The CKP is an inductive pulse generator, which scans
protrusions on the flywheel. Two teeth are missing, and this gap is situated at 90°
before TDC.
DTC
Diagnostic item
P-0335
P-0336
P 0371
P 0372
Crankshaft sensor No signal Error
Crankshaft sensor signal error
F_M_APS_Crank_early_fault_rec
Crank signal fault - missing tooth
DTC detection condition
Probable cause
Background
•
When the engine is running, the Crankshaft
Position sensor outputs a pulse signal.
•
The ECU checks whether the pulse signal is in
put while the engine is cranking.
•
Normal Operating condition
•
Engine is being cranked.
Malfunction
•
Normal signal pattern has not been input for
cylinder identification from the crankshaft
position sensor signal for 4 sec.
•
No synchronization between crankshaft &
camshaft signal.
Reaction
•
System lamp continuously on.
•
Engine will not start.
•
If engine is running & this fault occurs, engine
will stop immediately.
• The error will be in active mode during
cranking only.
•
Open, shorted or
wrong connection
crankshaft Position
sensor circuit.
•
Failed or damaged
crankshaft position
sensor.
•
Sensor teeth too
close
P0335
P0336
P0371
P0372
Summary of Contents for Cosmo
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