DTC P257D-P257F

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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 P257D-P257F

diagnostic

instructions

system

vehicle

engine

hood

switch

circuit

voltage

information

short

ground

open

resistance

signal

terminal

reference

description

control

module

ajar

position

conditions

ignition

detects

connector

testing

scan

tool

verify

parameter

closed

disconnect

harness

test

greater

repair

replace

current

infinite

latch

short voltage

circuit system

engine control

hood ajar

ajar signal

signal circuit

module detects

reference circuit

harness connector

terminal ground

ignition disconnect

infinite resistance

terminal hood

hood latch

latch closed

closed position

ground terminal

latch open

open position

engine control module

hood ajar signal

hood ajar switch

control module detects

hood ajar position

module detects short

ajar signal input

signal input engine

input engine control

control module references

circuit system testing

disconnect harness connector

circuit terminal ground

ignition disconnect harness

greater repair open

repair open resistance

open resistance circuit

current ignition disconnect

signal circuit ground

signal terminal signal

terminal signal terminal

signal terminal hood

terminal hood latch

hood latch closed

latch closed position

signal terminal ground

terminal ground terminal

ground terminal hood

hood latch open

latch open position