DTC B2645

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Diagnostic Instructions

  • Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

  • Review Strategy Based Diagnosis for an overview of the diagnostic approach.

  • Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descr

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You may preview the service manual table of contents by clicking below.

Service Manual Table of Contents

Document Tags

Document Title: DTC B2645

diagnostic

instructions

system

vehicle

provides

ambient

light

sensor

circuit

voltage

information

short

ground

open

resistance

signal

daytime

running

description

outside

lighting

control

module

reference

automatic

headlamp

command

beam

condition

operation

detects

ignition

connector

testing

scan

tool

disconnect

harness

bbambient

sunload

test

terminal

greater

repair

verify

parameter

kbody

infinite

replace

replacement

short voltage

sensor signal

signal circuit

running lights

ground circuit

reference circuit

harness connector

bbambient light

light sunload

sunload sensor

circuit terminal

terminal ground

greater ignition

repair open

resistance circuit

verify scan

tool ambient

sensor parameter

ignition disconnect

connector kbody

kbody control

infinite resistance

repair short

replace kbody

light sensor signal

light sensor ground

daytime running lamps

cpthe ambient light

light sensor used

sensor used monitor

used monitor outside

monitor outside lighting

lighting conditions ambient

conditions ambient light

light sensor provides

sensor provides voltage

provides voltage signal

voltage signal vary

signal vary volts

vary volts depending

volts depending outside

depending outside lighting

provides volt reference

volt reference signal

reference signal ambient

signal ambient light

monitors ambient light

sensor signal circuit

signal circuit determine

circuit determine outside

lighting conditions correct

daytime running lights

automatic lamp control

headlamp switch auto

switch auto position

auto position daylight

position daylight conditions

beam headlamps function

headlamps function condition

function condition turns

condition turns headlamps

turns headlamps cancel

open resistance ambient

resistance ambient light

control module references

cpignition scan tool

scan tool disconnected

tool disconnected doors

disconnected doors closed

doors closed accessories

closed accessories open

accessories open drivers

open drivers door

drivers door disconnect

door disconnect harness

disconnect harness connector

harness connector bbambient

connector bbambient light

bbambient light sunload

light sunload sensor

sunload sensor min

sensor min vehicle

min vehicle systems

vehicle systems power

systems power down

ground circuit terminal

circuit terminal ground

greater repair open

repair open resistance

open resistance circuit

verify scan tool

scan tool ambient

tool ambient light

light sensor parameter

sensor parameter greater

harness connector kbody

connector kbody control

kbody control module

test infinite resistance

infinite resistance signal

resistance signal circuit

signal circuit terminal

terminal ground infinite

ground infinite resistance

infinite resistance repair

resistance repair short

repair short ground

short ground circuit

infinite resistance replace

resistance replace kbody

replace kbody control

control module greater

fused jumper wire

jumper wire signal

wire signal circuit

greater ignition disconnect

control module ignition

greater repair short

repair short voltage

short voltage circuit

test replace bbambient

replace bbambient light

reference circuit terminal

khvac control module