Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR

(a) Disconnect the h1 automatic light control sensor connector.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

h1-1 (CLTB) - h1-2 (CLTE)

Ignition switch off

Below 1 V

h1-1 (CLTB) - h1-2 (CLTE)

Ignition switch on (IG)

11 to 14 V

Standard Resistance:

Tester Connection

Condition

Specified Condition

h1-2 (CLTE) - Body ground

Always

Below 1 Ω

If the result is not as specified, there may be a malfunction on the wire harness side.

*a

Front view of wire harness connector

(to Automatic Light Control Sensor)

(c) Connect the h1 automatic light control sensor connector.

(d) Connect an oscilloscope to terminals h1-2 (CLTE) and h1-4 (CLTS) of the automatic light control sensor connector and check the waveform.

*a

Component with harness connected

(Automatic Light Control Sensor)

*b

Waveform

OK:

Tester Connection

Condition

Tool Setting

Specified Condition

h1-2 (CLTE) - h1-4 (CLTS)

Ignition switch on (IG)

2 V/DIV., 10 ms./DIV.

Pulse generation

(See waveform)

HINT:

The communication waveform changes according to the surrounding brightness.

If the result is not as specified, the automatic light control sensor may be malfunctioning.

    READ NEXT:

     Removal

    REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 INSTRUMENT PANEL SAFETY PAD ASSEMBLY 55400 - - - 2 AUTOMATIC LIG

     Installation

    INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 AUTOMATIC LIGHT CONTROL SENSOR 89120A - - - 2 INSTRUME

     Fog Light Assembly

    SEE MORE:

     Vehicle Speed Signal Circuit Open (B228231,B228262)

    DESCRIPTION DTC B228231 is stored when the vehicle speed signal sent by the skid control ECU via direct line and the vehicle speed signal sent via CAN communication do not match. DTC B228262 is stored when a malfunction in the vehicle speed sensor is detected. DTC No. Detection Item D

     Motor/Generator Shutdown Signal (MG Side) Stuck Off (P33BF9F)

    DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects malfunctions which prevent the inverter with converter assembly emergency shutdown circuit (HSDN) from shutting down the hybrid control system. Detection is performed when the ignition switch is turned to ON and during the sh

    © 2020-2024 Copyright www.tcorollacross.com