Tilt and Telescopic Manual Switch Circuit [09/2014 - ]: Procedure
- READ VALUE USING TECHSTREAM (TILT UP/DOWN SWITCH, TELESCOPIC SHORT/LONG SWITCH)
- Turn the engine switch off.
*1 Tilt and Telescopic Switch *a Tilt Up *b Tilt Down *c Telescopic Extend (Long) *d Telescopic Contract (Short) - Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Check the tilt and telescopic switch.
- Enter the following menus: Body Electrical / Tilt & Telescopic / Data List.
Body Electrical > Tilt&Telescopic > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note Tilt Up Switch Input state of tilt up switch ON or OFF ON: Tilt up switch activated
OFF: Tilt up switch not activated- Tilt Down Switch Input state of tilt down switch ON or OFF ON: Tilt down switch activated
OFF: Tilt down switch not activated- Telesco Short Switch Input state of telescopic contract switch ON or OFF ON: Telescopic contract switch activated
OFF: Telescopic contract switch not activated- Telesco Long Switch Input state of telescopic extend switch ON or OFF ON: Telescopic extend switch activated
OFF: Telescopic extend switch not activated- Body Electrical > Tilt&Telescopic > Data List
Tester Display Tilt Up Switch Tilt Down Switch Telesco Short Switch Telesco Long Switch OK
"ON" is displayed on the Techstream screen when each switch is turned on.
"OFF" is displayed on the Techstream screen when each switch is turned off.
Result
Proceed to OK NG
Result:
OK
REPLACE MULTIPLEX TILT AND TELESCOPIC ECU. Refer to REMOVAL [09/2014 - 01/2023] , or refer to REMOVAL [01/2023 - ]
Result:
NG
See step 2
- Turn the engine switch off.
- CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - TILT AND TELESCOPIC SWITCH)
- Disconnect the O18 multiplex tilt and telescopic ECU connector.
- Disconnect the O21 tilt and telescopic switch connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition O18-5 (VC) - O21-1 (VC) Always Below 1 Ω O18-18 (MSW) - O21-3 (MSW) Always Below 1 Ω O18-5 (VC) or O21-1 (VC) - Body ground Always 10 kΩ or higher O18-18 (MSW) or O21-3 (MSW) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- CHECK MULTIPLEX TILT AND TELESCOPIC ECU (VC TERMINAL VOLTAGE)
- Reconnect the O18 multiplex tilt and telescopic ECU connector.
*a Component with harness connected
(Multiplex Tilt and Telescopic ECU) - Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition O18-5 (VC) - O18-18 (MSW) Engine switch on (IG) 4.9 to 5.1 V Result
Proceed to OK NG
Result:
NG
REPLACE MULTIPLEX TILT AND TELESCOPIC ECU. Refer to REMOVAL [09/2014 - 01/2023] , or refer to REMOVAL [01/2023 - ]
Result:
OK
See step 4
- Reconnect the O18 multiplex tilt and telescopic ECU connector.
- CHECK TILT AND TELESCOPIC SWITCH
- Remove the tilt and telescopic switch.
*a Component without harness connected
(Tilt and Telescopic Switch)Refer to REMOVAL [09/2014 - ]
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition 1 (VC) - 3 (MSW) Tilt up 342 to 378 Ω Tilt down 1890.5 to 2089.5 Ω Telescopic contract 750.5 to 829.5 Ω Telescopic extend 152 to 168 Ω Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [09/2014 - ]
Result:
NG
REPLACE TILT AND TELESCOPIC SWITCH. Refer to REMOVAL [09/2014 - ]
- Remove the tilt and telescopic switch.