DTC C1251/51 Open in Pump Motor Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST USING INTELLIGENT TESTER (ABS MOTOR RELAY)
(a) Connect the intelligent tester to the DLC3.
(b) Start the engine.
(c) Select the ACTIVE TEST mode on the intelligent tester.
ABS / VSC:
(d) Check the operation sound of the ABS motor individually when operating it with the intelligent tester.
OK: The operation sound of the ABS motor should be heard.
NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).
REPLACE BRAKE ACTUATOR ASSEMBLY
2 INSPECT SKID CONTROL ECU (GND2 TERMINAL)
(a) Disconnect the skid control ECU connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance
NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).
REPLACE BRAKE ACTUATOR ASSEMBLY
ACIS Control Circuit
DESCRIPTION
This circuit opens and closes the Intake Air Control Valve (IACV) in response
to changes in the engine
load in order to increase the intake efficiency (ACIS: Acoustic Control
Induction System).
When the engine speed is between 0 and 4450 rpm and the throttle valve opening
angl ...
Operation flow
HINT:
Perform troubleshooting in accordance with the
procedures below. The following is an outline of basic
troubleshooting procedures. Confirm the troubleshooting
procedures for the circuit you are working on before
beginning troubleshooting.
VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PR ...
Error in Picture Circuit/ No Current in Back-light/ Excess Current in
Back-light
DTC 34-10 Error in Picture Circuit
DTC 34-11 No Current in Back-light
DTC 34-12 Excess Current in Back-light
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
34-10
Error in power supply system for picture circuit
Radio and navigation assembly
...