
BE–198
BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM
1 Check voltage between terminal CMS and GND of cruise control ECU connector
ON
P Remove cruise control ECU with connectors still connected.
C (1) Turn ignition switch ON.
(2) Measure voltage between terminal CMS and GND of cruise control ECU connector when main switch is held on and off.
OK
Main switch Voltage
OFF 10 — 14 V
ON Below 2 V
GND
CMS
BE3840
N08759
NG
OK Proceed to next circuit inspection shown on matrix chart (See page BE–170).
2 Check main switch.
4 2
P (1) Remove steering wheel center pad (See page RS Section).
(2) Disconnect cruise control switch connector.
C Check continuity between terminals 2 and 4 of cruise control switch connector when main switch is held on and off.
OK O——O Continuity
Terminals 2 4
Main switch
OFF
Hold ON O O
N08655
OK
NG Replace control switch.
3 Check harness and connector between cruise control ECU and main switch, main switch and body ground. (See page IN–30).
OK
NG Repair or replace harness or connector.
Check and replace cruise control ECU.