HAIMA 7 - Page 489

Wiper and washer
T-25
Diagnostic program
Steps Check Display Measures
1
Set the headlight switch in
the Headlight position.
Go to the next step.
Measure the voltage of combination
instrument terminal 3Q.
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:
— Headlight switch
— Harness (combination
instrument—headlight
switch—grounding)
2
Turn off the headlight. Measure the voltage of combination
instrument terminal 3Q.
Is the voltage equal to B+？
l If this value is satisfied, replace the
combination instrument.
l If this value is unsatisfied, check the
following parts:
— Headlight switch
— harness(combination
instrument—headlight
switch—grounding)
The signal input of combination
instrument is normal.
DTC 10 Vehicle speed input signal
Check Display Measures
Use a chassis testing device to run the drive
wheel
The signal input of combination
instrument is normal.
Check the following parts.
l ABS hydraulic unit/control module;
l Harness(combination instrument—BS
hydraulic unit/control module)