Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

READ VALUE OF INTELLIGENT TESTER (CRUISE CONTROL MAIN SWITCH)

Check the DATA LIST for proper functioning of the cruise control switch.

ECM

ECM - DATA LIST

Item	Measurement Item / Display (Range)	Normal Condition	Diagnostic Note
MAIN SW (MAIN)	Main switch (Main CPU) / ON or OFF	ON: Main switch (Main CPU) is ON OFF: Main switch (Main CPU) is OFF	-
CANCEL SW	CANCEL switch / ON or OFF	ON: CANCEL switch is ON OFF: CANCEL switch is OFF	-
SET/COAST SW	- / SET switch / ON or OFF	ON: - / SET switch is ON OFF: - / SET switch is OFF	-
RES/ACC SW	+ / RES switch / ON or OFF	ON: + / RES switch is ON OFF: + / RES switch is OFF	-

OK: When cruise control switch operation is performed, the results will be same as above.

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

NG: Go TO NEXT STEP.

INSPECT CRUISE CONTROL SWITCH

Disconnect the cruise control switch connector.

Measure the resistance of the switch.

Fig 1: Identifying Cruise Control Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard resistance

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
3 - 4	cruise control switch ON	10 kΩ or higher
	cruise control switch OFF	Below 1 Ω
	+/RES	216 to 264 Ω
	-/SET	567 to 693 Ω
	CANCEL	1,386 to 1,694 Ω

NG: REPLACE CRUISE CONTROL MAIN SWITCH

OK: Go TO NEXT STEP.

INSPECT SPIRAL CABLE SUB-ASSEMBLY

Disconnect the cruise control switch connector.
Disconnect the E7 cable connector.

Measure the resistance of the spiral cable.

Fig 2: Inspecting Spiral Cable Sub-Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard resistance

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
A-3 (CCS) - E7-1 (CCS)	Below 1 Ω
A-2 (ECC) - E7-2 (ECC)	Below 1 Ω

NG: REPLACE SPIRAL CABLE SUB-ASSEMBLY

OK: Go TO NEXT STEP.

CHECK WIRE HARNESS (SPIRAL CABLE - ECM AND BODY GROUND)

Disconnect the E7 cable connector.
Disconnect the A9 ECM connector.

Measure the resistance of the wire harness side connectors.

Fig 3: Identifying A7 Spiral Cable & A9 ECM Harness Connector Terminals

Standard resistance

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
E7-1 (CCS) - A9-40 (CCS)	Below 1 Ω
E7-2 (ECC) - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE