1. Disconnect the brake fluid level sensor connector from the master cylinder.
2. Inspect for continuity according to fluid level between the brake fluid level sensor terminals.

If not as indicated in the table, replace the reserve tank..

Brake Switch InspectionCrankshaft Position (CKP) Sensor
Purpose/Function
Detects the crankshaft speed as basic information for mainly determining
the fuel injection timing and ignition timing.
Detects the crankshaft speed and inputs it to the PCM as a CKP signal.
Construction
Installed on the side of the cylinder block (ri ...
Manual Transaxle Shift Mechanism Removal/Installation [C66 M R]
1. Disconnect the negative battery cable..
2. Remove the shift lever using the following procedure:
a. Remove the upper panel..
b. Remove the shift lever knob.
c. Remove the shift panel..
d. Remove the side wall..
e. Remove the rear console..
f. Press the tabs on the control cable ...
R 3 5 Brake [Fw6 A EL, Fw6 Ax EL]
Purpose/Function
The R-3-5 brake operates in 3GR, 5GR and in reverse to lock the reduction
internal gear against rotation.
Construction
The R-3-5 brake consists of the following parts shown in the figure.
The driven plate of the R-3-5 brake does not rotate be ...