HAIMA 7 - Diagnostic Program

Alarm and Indication System
T-20
DTC 04 Door switch Signal On/Off
Combination instrument connectors
Harness side connector
(Viewed from the harness side)
XMET18W018
Diagnostic program
Steps Check Display Measures
1
Open the driver-side
door
(Door switch On)
Close the driver-side door and then go to the next
step.
Measure the voltage of combination instrument
terminal 1I.
Is the voltage equal to 0V?
l If this value is satisfied, replace the combination
instrument;
l If this value is unsatisfied, check the following
parts.
— Door switch
— Harness(Combination instrument—door
switch)
2
Open occupant-side
doors.
(Door switch On)
Close the occupant-side doors and then go to the
next step.
Measure the voltage of combination instrument
terminal 1I.
Is the voltage equal to 0V？
l If this value is satisfied, replace the combination
instrument;
l If this value is unsatisfied, check the following
parts.
— Door switch
— Harness(combination instrument—door
switch)
3
Open driver-side rear
door. (Door switch
On)
After closing the driver-side rear door, go to the next
step.
Measure the voltage of combination instrument
terminal 1I.
Is the voltage equal to 0V？
l If this value is satisfied, replace the combination
instrument.
l If this value is unsatisfied, check the following
parts.
— Door switch
— Harness (combination instrument—door
switch)