ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE BOOSTER ASSEMBLY
(a) Airtightness check (1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times. HINT: If the pedal can be depressed to the floor the first time, but on the 2nd and 3rd time cannot be depressed as far, the booster is airtight. (2) Depress the brake pedal while the engine is running, and stop the engine with the pedal depressed. HINT: If there is no change in the pedal reserve distance while holding the pedal depressed for 30 seconds, the booster is airtight. |
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(b) Operation check
(1) Depress the brake pedal several times with the ignition switch off and check that there is no change in the pedal reserve distance when the pedal is depressed. |
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(2) Depress and hold the brake pedal, then start the engine. HINT: If the pedal goes down slightly, operation is normal. |
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System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU
Receiving ECU
Signal
Communication Method
Air Conditioning Control Assembly
Air Conditioning Amplifier Assembly
Rear windo ...
Engine Stall History (P1603,P1605)
DESCRIPTION
P1603
After starting the engine, this DTC is stored when the engine stops without the
ignition switch being operated.
Using the Techstream, the conditions present when the DTC was stored can be confirmed
by referring to the freeze frame data ...
Vehicle Speed or Engine Speed Signal Malfunction (C2173/73)
DESCRIPTION
The tire pressure warning ECU receives a vehicle speed signal from the combination
meter and an engine speed signal from the ECM. The tire pressure warning ECU uses
these signals to detect DTCs C2121/21 to C2124/24 (No Signal from Transmitter) ...