Operate the switch, and check for the continuity between the terminals.
If continuity is not as specified, replace the switch.
STOP LAMP SWITCH
After operating the stop lamp switch, check for continuity between the terminals.
P/N POSITION SWITCH
Disconnect the connector.
Check that there is continuity between connector terminals 10 and 11 when the shift lever is moved to the "N" range.
CRUISE VACUUM PUMP
SOLENOID VALVE (CONTROL VALVE, RELEASE VALVE)
Remove the auto-cruise vacuum pump connector.
Measure the resistance value between connector terminal 1 and 2, and connector terminals 2 and 4.
resistance value between connector terminal 1, 2 and 4
Check that the solenoid valve makes an operating noise when battery voltage is impressed between terminals 2 and 1, and connector terminals 2 and 4.
If there is a malfunction of the solenoid valve. Replace the cruise vacuum pump assembly.
Remove the cruise vacuum pump connector.
Check that the motor revolves when battery voltage applied between connector terminals 2 and 3.
Remove the actuator.
Apply negative pressure to the actuator with the vacuum pump and check that the holder moves more than 35mm (1.38 in.). In addition, check that there is no change in the position of the holder when negative pressure is maintained in then inspect and adjust the cruise control cable.