Toyota Highlander Service Manual: Horn system
Toyota Highlander Service Manual / Communication system / Horn system
LOCATION
INSPECTION
1. INSPECT RELAY (HORN)
(a) Remove the HORN relay from the engine room J/B.
(b) Measure the HORN relay resistance.
Standard:
2. INSPECT HIGH PITCHED HORN ASSY
(a) Check operation of the horn.
Standard:
If the result is not as specified, replace the horn assy.
3. INSPECT LOW PITCHED HORN ASSY
(a) Check operation of the horn.
Standard:
If the result is not as specified, replace the horn assy.
More about Toyota Highlander:
Inspection
1. INSPECT MASS AIR FLOW METER
(a) Check the output voltage.
Apply battery voltage across terminals 1 (+B) and 2
(E2G).
Connect the positive (+) tester probe to terminal 3
(VG), and negative (-) tester probe to terminal 2
(E2G).
Blow air into the Mass Air Flow (M ...
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