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Inspection Procedure

INSPECT CRUISE CONTROL MAIN SWITCH

Remove the cruise control main switch connector.
Measure the resistance according to the value(s) in the table below.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
4 - 5	Neutral	10 kΩ or higher
4 - 5	+/RES	210 to 270 Ω
4 - 5	-/SET	560 to 700 Ω
4 - 5	CANCEL	1,380 to 1,700 Ω
4 - 5	Main Switch off	10 kΩ or higher
4 - 5	Main Switch on	Below 1 Ω

NG: REPLACE CRUISE CONTROL MAIN SWITCH

OK: Go to next step

Fig 1: Inspecting Cruise Control Main Switch

G04966270

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

CHECK HARNESS AND CONNECTOR (CRUISE CONTROL MAIN SWITCH, BODY GROUND - ECM)
1. Check for open and short circuit in harness and connector between cruise control main switch and ECM (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
2. Check for open and short circuit in harness and connector between cruise control main switch and body ground (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE