DTC 28 (P0705): Transmission Range Switch System (Short Circuit)

TRANSMISSION RANGE SWITCH SYSTEM CIRCUIT
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CIRCUIT OPERATION
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DESCRIPTIONS OF MONITOR METHODS
If two types or more of signals are input from transmission range switch for more than 30 seconds, PCM judges that transmission range switch has a failure.
MONITOR EXECUTION
Continuous
MONITOR EXECUTION CONDITIONS (OTHER MONITOR AND SENSOR)

Other Monitor (There is no temporary DTC stored in memory for the item monitored below)
• Not applicable

Sensor (The sensor below is determined to be normal)
• Not applicable
LOGIC FLOW CHARTS (Monitor Sequence)
DTC SET CONDITIONS

Check Conditions, Judgement Criteria
Transmission range switch: multiple signal. (30 seconds)
OBD-II DRIVE CYCLE PATTERN
Start the engine, keep the vehicle stopped in "P," "R," "N," "D," "3," "2" and "L" ranges respectively for more than one minute, and turn "LOCK" (OFF) the ignition switch. Then restart the engine, and stop the vehicle in "P," "R," "N," "D," "3," "2" and "L" ranges respectively for more than one minute.
TROUBLESHOOTING HINTS (THE MOST LIKELY CAUSES FOR THIS CODE TO BE SET ARE:
Malfunction of the transmission range switch circuit
Damaged harness or connector
Malfunction of the PCM