Combination switch system symptoms
Symptom Table


Dtc/circuit diagnosis
Removal and installationPreparation
Special service tools
The actual shape of the tools may differ from those illustrated here.
Commercial service tools
Clip list
Descriptions for Clips
Replace any clips which are damaged during removal or installation.
...
Standardized relay
Description
Normal open, normal closed and mixed type relays
Relays can mainly be divided into three types: normal open, normal closed and
mixed type relays.
Type of standardized relays
...
Hvac branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the a/c auto amp. For damage, bend
and loose connection (unit
side and connector side).
Is the inspection result normal? ...