Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSACURA2005TSX AUTOMATICREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSIONA/T GEAR POSITION INDICATORTRANSMISSION RANGE SWITCH TEST

2005 Acura TSX Automatic

Transmission Range Switch Test

2005 Acura TSX AutomaticSECTION Transmission Range Switch Test

Remove the transmission range switch harness connector (A) from the connector bracket (B), then disconnect the connector.
'04-05 Models

Fig 1: Identifying Transmission Range Switch Connector Terminals ('04-05 Models)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

'06-08 Models

Fig 2: Identifying Transmission Range Switch Connector Terminals ('06-08 Models)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between terminals at the harness connector. There should be continuity between the terminals in each switch position as shown in the table.
Transmission Range Switch Harness Connector '04-05 Models

Fig 3: Checking Continuity Between Terminals Chart ('04-05 Models)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

'06-08 Models

Fig 4: Checking Continuity Between Terminals Chart ('06-08 Models)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If there is no continuity between any terminals, remove the transmission range switch cover.

Fig 5: Transmission Range Switch Cover W/Torque Specification
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect transmission range switch connector.

Fig 6: Identifying Transmission Range Switch Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check for continuity between terminals at the switch connector. There should be continuity between the terminals in each switch position as shown in the table.
Transmission Range Switch Connector

Fig 7: Transmission Range Switch Terminals Continuity Chart
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the transmission range switch continuity check is OK, replace the faulty transmission range switch harness.
If there is no continuity between any terminals, remove the transmission range switch, and check the end of the selector control shaft (A).

Fig 8: Identifying End Of Selector Control Shaft
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the measurement of the selector control shaft end is within the standard, replace the transmission range switch (see TRANSMISSION RANGE SWITCH REPLACEMENT ). If the measurement is out of the standard, repair the selector control shaft end, and recheck the transmission range switch continuity.