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:

Cooling System
On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FOR COOLANT LEAK CAUTION: Do not remove the radiator cap while the engine and radiator are still hot. Pressurized hot engine coolant and steam may be released and cause serious burns. N ...

Short in Front Passenger Side Squib Circuit (B1805/52-B1808/52)
DESCRIPTION The front passenger side squib circuit consists of the center airbag sensor assembly and front passenger airbag assembly. The center airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs ...

Torque Sensor Circuit Malfunction (C1511-C1514,C1517)
DESCRIPTION The torque sensor converts the rotation torque input to the steering wheel into an electrical signal and sends it to the power steering ECU. Based on this signal, the ECU detects steering effort. DTC No. DTC Detection Co ...