Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

OK
OK
3. CHECK RESISTANCE OF PUMP MOTOR WIRE HARNESS (MT+/MT-)
(a) Using a screwdriver, remove the 2 screws and pull the wire
harness from the hydraulic brake booster assembly.
(b) Measure the resistance between the red wire (MT+) and black wire (MT-).
Resistance:
2 Ω
NG
REPLACE HYDRAULIC BRAKE BOOSTER
4. READ VALUE USING DATA LIST (ACCUMULATOR SENSOR)
(a) Connect Techstream to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) Turn Techstream ON.
(d) Select the Data List mode on the Techstream.
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 value constant regardless of pump
operation, accumulator pressure sensor
malfunction suspected.
(e) Check that the accumulator pressure sensor output is normal.
RESULT PROCEED TO
cardiagn.com

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