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P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input)

AutoHex Online Help: Hyundai GENESIS COUPE(BK) 2011
Component Location
General Description

When the shift lever is in the D (Drive) position the output signal of Tansaxle Range Switch is 12V and in all other positions the voltage is 0V. The TCM judges the shift lever position by reading all signals, for the TRANSMISSION Range Switch, simultaneously.



DTC Description

The TCM sets this code when patterns are out of specification based on the table shown below.

The TRANSMISSION Range Switch has no output signal for an extended period of time.

DTC Detectiong Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Malfunction

OPEN OR SHORT IN CIRCUIT

Faulty TRANSMISSION RANGE SWITCH

Faulty TCM

Enable Conditions

Case 1

Inhibitor switch is supplied with normal power at IG-ON

Case 2

Engien RPM(at ENG. RUN)>400 RPM

Vehicle speed(No base)> 10kph

Threshold Value

Check the patterns of inhibitor switch

Voltage > 2.5V (If active) or

Voltage < 2.5V (If not avtive)

Jump more than 5 steps

Diagnostic Time

Case 1

More than 30sec

Case 2

More than 10sec

Fail Safe

SELECT POSITION IS REGARDED AS "D"

INDICATOR DECISION "OFF"

REVERSE LAMP SIGNAL "OFF"

Specification
Figure 1) A/T range pattern

A/T Range Switch

Range Decision

Remarks

SW 1

SW 2

SW 3

SW 4

OFF

OFF

OFF

OFF

Pst

P start

OFF

OFF

ON

OFF

P

P

OFF

OFF

ON

ON

P-R

Intermediate

ON

OFF

ON

ON

R

R

ON

OFF

ON

OFF

N-R

Intermediate

ON

OFF

OFF

OFF

Nst

N start

ON

OFF

OFF

ON

N-D

Intermediate

ON

ON

OFF

ON

D

D

OFF

ON

OFF

ON

3

3

OFF

ON

ON

ON

2

2

OFF

ON

ON

OFF

1

1

Irregular Pattern

Other

[OFF= 5V, ON = 0V]

Diagnostic Circuit Diagram