Toyota RAV4 manuals

Toyota Sienna Service Manual: Low Battery Positive Voltage

DTC C1241/41 Low Battery Positive Voltage

DESCRIPTION

Low Battery Positive Voltage

WIRING DIAGRAM

Low Battery Positive Voltage

INSPECTION PROCEDURE

1 INSPECT ECU-IG FUSE

(a) Remove the ECU-IG fuse from the driver side J/B.

 INSPECT ECU-IG FUSE

(b) Check continuity of the ECU-IG fuse.

Standard resistance

2 CHECK BATTERY

(a) Check the positive battery voltage.

Standard voltage: 11 to 14 V

3 INSPECT SKID CONTROL ECU (IG1 TERMINAL)

(a) WHEN USING INTELLIGENT TESTER: (1) Connect the intelligent tester to the DLC3.

(2) Start the engine.

(3) Select the DATA LIST mode on the intelligent tester.

ABS / VSC:

(4) Check that the voltage condition output from the ECU displayed on the intelligent tester.

OK: "Normal" is displayed.

 INSPECT SKID CONTROL ECU (IG1 TERMINAL)

(b) WHEN NOT USING INTELLIGENT TESTER: (1) Disconnect the skid control ECU connector.

(2) Turn the ignition switch to the ON position.

(3) Measure the voltage according to the value(s) in the table below.

Standard voltage

NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).

REPLACE BRAKE ACTUATOR ASSEMBLY

4 INSPECT SKID CONTROL ECU (GND TERMINAL)

INSPECT SKID CONTROL ECU (GND TERMINAL)

(a) Disconnect the skid control ECU connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard resistance

REPAIR OR REPLACE HARNESS OR CONNECTOR (IG1 CIRCUIT)

Stuck in Deceleration Sensor
DESCRIPTION The yaw rate sensor and deceleration sensor signal is sent to the skid control ECU through the CAN communication system. When there is a malfunction in the communication, it will ...

Master Cylinder Pressure Sensor Malfunction
DTC C1246/46 Master Cylinder Pressure Sensor Malfunction DESCRIPTION Master cylinder pressure sensor is connected to the skid control ECU in the actuator. INSPECTION PROCEDURE 1 READ VALUE O ...

Other materials:

On-vehicle inspection
1. INSPECT BRAKE BOOSTER (a) Air tightness check. (1) Start the engine and stop it after 1 or 2 minutes. Depress the brake pedal several times slowly. HINT: If the pedal goes down farthest at the 1st time, and gradually rises at the 2nd or 3rd time, the booster is airtight. (2) Depre ...

Brake Warning Light Remains ON
DESCRIPTION If the ECU detects a trouble, it turns on the brake warning light at the same time of prohibiting ABS control. At this time, the ECU records a DTC in memory. Connect terminals TC and CG of the DLC3 to make the brake warning light blink and output the DTC. WIRING DIAGRAM ...

Road test
1. PROBLEM SYMPTOM CONFIRMATION  Inspect the SET function.  Turn the cruise control main switch on.  Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).  Push the cruise control main switch to - (COAST)/SET.  After releasing t ...

В© 2011-2025 Copyright www.tsienna.net