Pattern Select Switch 2nd Start Mode Circuit: Procedure

HINT: 

The driving test should be performed on a paved road (nonskid road).

1. Start the engine.
2. Turn the 2ND switch off (normal drive mode).
3. Confirm vehicle response by driving from a parked position to fully depressing the accelerator pedal.
4. Turn the 2ND switch on and perform the same check as above.

   When driving the vehicle with the 2ND switch on and off, check that there is a difference in acceleration.

   OK

   There is a difference in acceleration.

NG → See step   3 

OK → See step   2 

1. Remove the suspension control switch, refer to REMOVAL .
   Fig 1: Identifying Suspension Control Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   17 (2ND) - 20 (E)	Pattern select (2ND) switch continuously pressed	Below 1 Ω
   17 (2ND) - 20 (E)	Pattern select (2ND) switch released	10 kΩ or higher

NG → See step   7 

OK: Go to next step 

1. Disconnect the V4 suspension control switch connector.
   Fig 2: Identifying V4 Suspension Control Switch Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   V4-20 (E) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 3: Identifying A38 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the A38 ECM connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   A38-4 (SNWI) - Body ground	Pattern select (2ND) switch continuously pressed	Below 1 Ω
   A38-4 (SNWI) - Body ground	Pattern select (2ND) switch released	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   6