Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT CRUISE CONTROL MAIN SWITCH

Disconnect the cruise control main switch connector.

Measure resistance between terminal 4 and 5 of the cruise control switch connector when cruise control main switch is operated.

Fig 1: Inspecting Cruise Control Main Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

STANDARD

Switch position	Resistance (Ω)
Neutral	infin (No continuity)
+/RES	210 - 270
-/SET	560 - 700
CANCEL	1,380 - 1,700

Check continuity between terminals 4 and 5 of cruise control main switch connector when main switch button is held on and off.

STANDARD

Switch position	Tester connection	Specification
OFF	4 - 5	No continuity
ON	4 - 5	Continuity

NG: REPLACE CRUISE CONTROL MAIN SWITCH

OK: Go To Next Step

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: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )