Toyota Highlander Service Manual: On-vehicle cleaning
1. INSPECT FINS BLOCKAGE
(a) If the fins are clogged, wash them with water or a steam cleaner. Dry with compressed air.
NOTICE: If the distance between the steam cleaner and the core is too close, the fins may become damaged.
Keep the following injection distance.
Standard:
- If the fins are bent, straighten them with a screwdriver or pliers.
- Never apply water directly onto the electronic components
Components
...
More about Toyota Highlander:
Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the
table below. Use this table to
troubleshoot when, during a DTC check, a "Normal" code is displayed but the
problem is still occurring. Numbers
in the table show the inspection order in which the circuits or parts should ...
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