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:

Customize Parameters
CUSTOMIZE PARAMETERS HINT: The following items can be customized. NOTICE: After confirming whether the items requested by the customer are applicable or not for customization, perform customizing operations. Be sure to record the current se ...

Yaw Rate Sensor Output Malfunction (C1448/98)
DESCRIPTION The skid control ECU receives signals from the yaw rate and acceleration sensor via the CAN communication system. The yaw rate sensor has a built-in acceleration sensor and detects the vehicle condition. DTC Code DTC De ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (a) Disconnect the L20 ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Tester Connection Wiring Color ...