Toyota Venza: ECU Version Miss Match (C1288/88)

Toyota Venza Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / ECU Version Miss Match (C1288/88)

DESCRIPTION

DTC Code	DTC Detection Condition	Trouble Area
C1288/88	ECM does not match.	ECM

PROCEDURE

1.	CHECK CAN COMMUNICATION SYSTEM

(a) Check if a CAN communication system DTC is output (See page ).

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

INSPECT CAN COMMUNICATION SYSTEM

2.	PERFORM ENGINE VARIANT LEARNING

(a) Perform engine variant learning (See page ).

HINT:

Engine variant learning is automatically performed immediately after the Test Mode is entered.
If learning has not yet been performed, the ABS warning and slip indicator lights will remain on and DTC C1288/88 will be stored.

3.	RECONFIRM DTC

(a) Turn the ignition switch off.

(b) Clear the DTCs (See page ).

(d) Check if the same DTC is recorded (See page ).

Result	Proceed to
DTC (C1288/88) is not output	A
DTC (C1288/88) is output (for 2GR-FE)	B
DTC (C1288/88) is output (for 1AR-FE)	C

END

REPLACE ECM (for 2GR-FE)

REPLACE ECM (for 1AR-FE)

Brake Pedal Load Sensing Switch (C1267/67)

DESCRIPTION The brake pedal load sensing switch is turned on when the brake pedal is depressed with force exceeding a predetermined level. The skid control ECU detects if the brake pedal is depres ...

Open in Stop Light Switch Circuit (C1249/49)

DESCRIPTION The skid control ECU (housed in the actuator assembly) inputs the stop light switch signal and the condition of brake operation. The skid control ECU has an open detection circuit, whi ...

Other materials about Toyota Venza:

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT SEAT HEADREST ASSEMBLY 2. REMOVE FRONT SEAT REAR OUTER TRACK COVER 3. REMOVE FRONT SEAT REAR INNER TRACK COVER 4. REMOVE FRONT SEAT ASSEMBLY 5. REMOVE RECLINING POWER SEAT SWITCH KNOB 6. REMOVE SLIDE AND VER ...

Front Passenger Side Seat Belt Warning Light Malfunction
DESCRIPTION The occupant classification ECU detects the state of the front seat inner belt assembly RH and load sensor when the front passenger side seat is occupied with the ignition switch ON. If the front passenger side seat belt is not fastened, the ...

Inspection
INSPECTION PROCEDURE 1. INSPECT EVAPORATOR TEMPERATURE SENSOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition ...