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P1697



: DTC P1697: ADAPTIVE SPEED CONTROL HEADWAY SWITCH(ES) CIRCUIT MALFUNCTION

G240073t22 : CHECK THE SPEED CONTROL HEADWAY - SWITCH FUNCTION
1. Disconnect the battery negative terminal.
2. Wait one minute for the system to become safe.
3. Disconnect the steering wheel switch electrical connector.
4. Connect an ohmmeter across pins 01 and 03 of the speed control switch.
5. Operate the HEADWAY switch.

- Does the resistance switch between 4300 and 600 ohms as the switch is operated?

-> Yes


-> No
INSTALL a new speed control switchpack. CLEAR the DTC. TEST the system for normal operation.

G240073t23 : CHECK THE SPEED CONTROL HEADWAY + SWITCH FUNCTION
1. Operate the HEADWAY switch.

- Does the resistance switch between 4300 and 300 ohms as the switch is operated?

-> Yes


-> No
INSTALL a new speed control switch assembly. CLEAR the DTC. TEST the system for normal operation.

G240073t24 : CHECK THE SPEED CONTROL INTERNAL HARNESS FOR SHORT CIRCUIT TO GROUND
1. Measure the resistance between the steering wheel switch electrical connector, pin 01 (SR) and GROUND.
2. Measure the resistance between the steering wheel switch electrical connector, pin 03 (S) and GROUND.

- Is either resistance less than 10,000 ohms?

-> Yes

REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

-> No
Check the clockspring for short circuit to ground. test 2. (The clockspring is the same for adaptive and non-adaptive vehicles).