Cruise Control Switch Circuit [08/2013 - ]: Procedure

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Cruise Control / Data List.
5. Check the Data List to confirm proper functioning of the cruise control switch.
   TEXT IN ILLUSTRATION
   
   

   *a	ON-OFF
   *b	-/SET
   *c	+/RES
   *d	CANCEL

   CRUISE CONTROL
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Main SW M-CPU	Cruise control switch signal (Main CPU) / ON or OFF	ON: Cruise control switch (ON-OFF button) pushed OFF: Cruise control switch (ON-OFF button) released	-
   Cancel Switch	CANCEL switch signal / ON or OFF	ON: CANCEL switch on OFF: CANCEL switch off	-
   SET/COAST Switch	-/SET switch signal / ON or OFF	ON: -/SET switch on OFF: -/SET switch off	-
   RES/ACC Switch	+/RES switch signal / ON or OFF	ON: +/RES switch on OFF: +/RES switch off	-

   OK

   When the cruise control switch is operated, the display changes as shown above.

6. Turn the power switch off.

NG → See step   2 

OK → See step   10 

1. Remove the cruise control switch. Refer to REMOVAL [08/2013 - ] .
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   TEXT IN ILLUSTRATION
   
   

   *1	Cruise Control Switch (ON-OFF button)	-	-
   *a	Component without harness connected (Cruise Control Switch)	*b	ON-OFF
   *c	+/RES	*d	-/SET
   *e	CANCEL	-	-

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 - 3	Cruise control switch ON-OFF button not pushed	1 MΩ or higher
   	Cruise control switch ON-OFF button pushed	Below 2.5 Ω
   	+/RES	235 to 245 Ω
   	-/SET	617 to 643 Ω
   	CANCEL	1509 to 1571 Ω

3. Reinstall the cruise control switch.

NG → See step   7 

OK: Go to next step 

1. Remove the cruise control switch wire.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance (Check for Open)

   Tester Connection	Condition	Specified Condition
   z6-3 - Cruise control switch side connector terminal 3	Always	Below 1 Ω
   z6-4 - Cruise control switch side connector terminal 1	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Spiral Cable with Sensor Sub-assembly)
   *b	Front view of wire harness connector (to Cruise Control Switch)

3. Reinstall the cruise control switch wire.

NG → REPAIR OR REPLACE CRUISE CONTROL SWITCH WIRE 

OK: Go to next step 

HINT: 

• Removal. Refer to REMOVAL [08/2013 - ]
• Installation. Refer to INSTALLATION [08/2013 - ]

1. Remove the spiral cable with sensor sub-assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connection	Condition	Specified Condition
   z6-3 - H22-1 (CCS)	Center	3 Ω or less
   	2.5 rotations to the left
   	2.5 rotations to the right
   z6-4 - H22-2 (ECC)	Center	3 Ω or less
   	2.5 rotations to the left
   	2.5 rotations to the right

3. After setting the spiral cable with sensor sub-assembly to the center position, rotate the spiral cable with sensor sub-assembly 2.5 times clockwise. Then while rotating the spiral cable with sensor sub-assembly 5 times counterclockwise, measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connection	Condition	Specified Condition
   z6-3 - H22-1 (CCS)	Always	3 Ω or less
   z6-4 - H22-2 (ECC)	Always	3 Ω or less

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Spiral Cable with Sensor Sub-assembly)

   HINT: 

   The spiral cable with sensor sub-assembly makes a maximum of approximately 5 rotations.

4. Reinstall the spiral cable with sensor sub-assembly.

NG → See step   8 

OK: Go to next step 

1. Disconnect the H2 power management control ECU connector.
2. Disconnect the H22 spiral cable with sensor sub-assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connection	Condition	Specified Condition
   H2-22 (CCS) - H22-1 (CCS)	Always	3 Ω or less

   Standard Resistance (Check for Short)

   Tester Connection	Condition	Specified Condition
   H2-22 (CCS) or H22-1 (CCS) - Body ground	Always	1 MΩ or higher

4. Reconnect the H22 spiral cable with sensor sub-assembly connector.
5. Reconnect the H2 power management control ECU connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the H22 spiral cable with sensor sub-assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connection	Condition	Specified Condition
   H22-2 (ECC) - Body ground	Always	Below 1 Ω

3. Reconnect the H22 spiral cable with sensor sub-assembly connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   9