Aerio -Transmission Range Sensor (Shift Switch) Circuit Check
- Disconnect connector from cruise control module with ignition switch OFF.
- Check for proper connection to cruise control module at terminal E52-9.
- If OK, connect ohmmeter between terminal E52-9 and ground. See Fig 1
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- Check for continuity under each condition in the following. Transmission range switch circuit specification Selector Lever at:
- "P" or "N" range: Continuity.
- "R", "D", "2" or "L" range: Infinity.
- If check results are satisfactory transmission range switch is ok.
- If check results are unsatisfactory go to the next step.
- Disconnect transmission range sensor (shift switch) connector.
- Check for proper connection to transmission range sensor (shift switch) at disconnected connector terminals.
- If ok, check transmission range sensor (shift switch).
- If check results are satisfactory "Black/Red" or "Black/Yellow" circuit is open or short.
- If check results are unsatisfactory adjust or replace transmission range sensor (shift switch).