DIAGNOSTIC MANUAL MAN-00201
QUANTO
EMS
SEP 2012/Rev 1
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 or whole of the present document,
are prohibited without the prior written consent of Mahindra & Mahindra Ltd. The use of this document by any person other than the trained personnel, at the Authorized Service Centre of Mahindra & Mahindra Ltd.,
will amount to unauthorized use and shall be liable for penalty/prosecution
© 2012 Mahindra & Mahindra Ltd.
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Synchronization state
Code Description
0
INIT: Basic initialization of state machine
1
RECOVER: Resetting the counters
2
TIMEOUT: Engine stops or error case in which all engine speed sensors of system are defective
3
INTERIMS: Additional asynchronous interrupts which is generated when engine position is detected
based on the time condition of system.
4
WAIT_INC: Plausibility test is done on the events of the redundant sensor system w/o the mail
sensor system delivering events. Interrupts are generated with min. system freq.
5
PHASE_FREQ_CHK: Plausibility test is done on the events of the redundant sensor system w/o the
mail sensor system delivering events. Interrupts are generated with max. system freq.
8
PHASE_PLAUS_CHK: Plausibility test is done on the events of the redundant sensor system w/o the
main system delivering events.
16 POLLING: The overall system behaves frq. Synchronous & waits for further events to determine the
phases.
32 WAIT_PHASE: Waits for the unique positioning by the phase system.
33 VERIFY A unique positioning of the system has occurred. A plausibility test is run on all sensor
systems wrt each other in their status & angle info.
34
RESYNC_OVERFLOW: No unique position was found
35 RESYNC_OFFSET
48
64 POST: The system wait until there is a complete engine stop.
128 VERIFY_BACKUP
129 BACK UP
130 START_BACKUP
131 WAIT_BACKUP: Engine has decelerated. Metering unit no longer be activated.
332