Diagnosis procedure
Regarding Wiring Diagram information, refer to DEF-20, "Wiring Diagram".
1. Check door mirror defogger fuse
Check if the following fuse in fuse block (J/B) is blown.
Is the inspection result normal? Yes >> go to 2.
No >> replace the blown fuse after repairing the affected circuit.
2. Check door mirror defogger power supply circuit
Check door mirror defogger power supply and ground circuit.
Refer to def-35, "component function check" (driver side) or def-37, "component function check" (passenger side).
Is the inspection result normal? Yes >> go to 3.
No >> repair or replace the malfunctioning parts.
3. Check both door mirror defogger
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Repair or replace the malfunctioning parts.
P1805 Brake switch
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1805
BRAKE SW/CIRCUIT
(Brake switch circuit)
Stop lamp signal is not sent to ECM for extremely
long time while the vehicle is drivi ...
Diagnosis system (BCM)
Common item
Common item : consult function (bcm - common item)
Application item
Consult performs the following functions via can communication with bcm.
Direct diagnostic mode
Description
Ecu identification
The bcm part number is displayed.
Self Diagnostic Result
...
Tcm branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
TCM
Harness connector f50
Harness co ...