Inspection Procedure

1. Connect Techstream to the DLC3.
2. Turn the ignition switch off.
3. Depress the brake pedal more than 20 times.
4. Turn the ignition switch to the ON position and push Techstream main switch ON.
5. Select "Data List" mode on Techstream.

   ABS/VSC/TRAC 

   DATA LIST - ABS/VSC/TRAC
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Accumulator Sensor	Accumulator pressure sensor reading / Min.: 0 V, Max.: 5 V	3.58 to 5 V	If the value is constant regardless of pump operation, accumulator pressure sensor malfunction is suspected.

6. Check the accumulator output value.

   Result 

   RESULT REFERENCE TABLE
   
   

   Result	Proceed to
   Output value is within the "Normal Condition" range	A
   Output value is out of the "Normal Condition" range	B
   Output value is constant regardless of pump operation	B

B: REPLACE MASTER CYLINDER SOLENOID 

A: Go To Next Step 

1. Turn the ignition switch off.
2. Depress the brake pedal more than 20 times.
3. Install the brake pedal effort gauge (SST), and bleed air.

   SST 09709-29018 

4. Turn the ignition switch to the ON position and push Techstream main switch ON.
5. Select "Data List" mode on Techstream.

   ABS/VSC/TRAC 

   DATA LIST - ABS/VSC/TRAC
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Master Cylinder Sensor 1	Master cylinder pressure sensor 1 reading / Min.: 0 V, Max.: 5 V	0.3 to 1.95 V With pedal effort of 49 N (5 kgf, 11 in.*lbf)	Front brake pressure: 1220 to 2320 kPa (11.4 to 23.7 kgf/cm2 , 162 to 337 psi)

6. Check that the master cylinder pressure sensor's output value is normal.

   OK: Master cylinder pressure sensor value is normal. 

NG: REPLACE MASTER CYLINDER SOLENOID 

OK: Go To Next Step 

1. Clear the DTC (See DTC CHECK/CLEAR  ).
2. Turn the ignition switch off.
3. Depress the brake pedal more than 20 times.
4. Turn the ignition switch to the ON position.
5. Wait until the pump motor stops.
6. Depress the brake pedal and release it.
7. Wait for 25 minutes.
8. Check if the same DTC is detected (See DTC CHECK/CLEAR  ).

   Result 

   RESULT REFERENCE TABLE
   
   

   Result	Proceed to
   DTC is output	A
   DTC is not output	B

B: CHECK FOR INTERMITTENT PROBLEMS (See  CHECK FOR INTERMITTENT PROBLEMS   ) 

A: REPLACE MASTER CYLINDER SOLENOID