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Selector SET+ Check (Response Code 131)

  1. Check voltage to cruise control main switch. See Figure . See CRUISE CONTROL MAIN SWITCH TEST (RESPONSE CODE 113)  . If test verifies SET button is okay, connect voltmeter (backprobe) between cruise control switch connector terminal No. 5 (Red/Black wire) and ground. Turn ignition on. Set cruise control main switch to ON position. Press SET button to + position. If battery voltage is present, go to next step. If battery voltage is not present, replace cruise control switch.
  2. Turn ignition off. Remove cruise control unit from underhood fuse and relay center. See Figure . Connect voltmeter between ground and cruise control unit base terminal 4T. Turn ignition on. Set cruise control main switch to ON position. Press SET button to + position. If voltmeter indicates battery voltage, SET + signal to cruise control unit is okay. If voltmeter does not indicate battery voltage, check wiring between cruise control switch connector terminal No. 5 (Red/Black wire) and cruise control unit base terminal 4T.
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