Cruise control – fault diagnosis

CRUISE CONTROL – FAULT DIAGNOSIS

4F

5F

CONDITIONS Ignition Switch

Position: 0

RESULTS Steering Wheel Switches

RES/DECEL Switch

On = Less than 1 ohm Off = More than 10K ohms

OK PROBLEM CAUSE - YR, W Wire - B, PB Wire - Rotary Coupler

- Steering Wheel Switches

6F

CONDITIONS Ignition Switch

Position: 0

RESULTS Steering Wheel Switches

SET/ACCEL Switch

On = Less than 1 ohm Off = More than 10K ohms

OK PROBLEM CAUSE - YS, R Wire - Rotary Coupler

- Steering Wheel Switches

C241D

YR

Z249 Cruise Control Con- verter/Inverter Mod- ule

OK

6F

C241D

YS

Z249 Cruise Control Con- verter/Inverter Mod- ule

OK PROBLEM CAUSE - Cruise Control Converter/ Inverter Module

- Body Electrical Control Module (BECM)