Honda Accord 2008 Manual page 2241

07/11/02 09:36:30 61TA0000_220_0211
Exterior Lights
MICU Input Test (cont'd)
Cavity Wire
F11 WHT
F17 BLU
F19 BLK/
RED
Q18 WHT
R6 RED
·
R3 BLK
R7 GRY
·
R3 BLK
R8 BRN
·
R3 BLK
R21 GRN
·
R3 BLK
R22
· BLU
R3
BLK
22-208
Test condition
Under all conditions Measure the voltage to ground:
There should be battery voltage.
Under all conditions Measure the voltage to ground:
There should be battery voltage.
Under all conditions Measure the voltage to ground:
There should be battery voltage.
Ignition key inserted Measure the voltage to ground:
into the ignition There should be less than 1 V.
switch
Ignition switch LOCK Measure the voltage to ground:
(0), and the ignition There should be more than 5 V.
key removed from
the ignition switch
Combination light Measure the voltage between R6
· switch OFF and R3 terminals:
There should be less than 1 V.
Combination light Measure the voltage between R6
switch in any other and R3 terminals:
position than OFF There should be 5 V or more.
Combination light Measure the voltage between R7
· switch (SMALL and R3 terminals:
position) ON There should be less than 1 V.
Combination light Measure the voltage between R7
switch OFF and R3 terminals:
There should be 5 V or more.
Combination light Measure the voltage between R8
· switch (headlight) and R3 terminals:
ON There should be less than 1 V.
Combination light Measure the voltage between R8
switch OFF and R3 terminals:
There should be 5 V or more.
Combination light Measure the voltage between R21
· switch lever pulled and R3 terminals:
(Passing) There should be less than 1 V.
Combination light Measure the voltage between R21
switch lever released and R3 terminals:
(OFF) There should be 5 V or more.
LT Combination light Measure the voltage between R22
switch (Dimmer) in and R3 terminals:
· high beam position There should be less than 1 V.
Combination light Measure the voltage between R22
switch (Dimmer) in and R3 terminals:
low beam position There should be 5 V or more.
Test: Desired result Possible cause if result is not
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obtained
Blown No. 15 (10 A) fuse in
the under-hood fuse/relay
box
An open in the wire
Blown No. 3 (AS LT MAIN)
(30 A) fuse in the under-hood
fuse/relay box
An open in the wire
Blown No. 3 (DR LT MAIN)
(30 A) fuse in the under-hood
fuse/relay box
An open in the wire
Faulty ignition key switch
An open in the wire
Poor ground (G503)
Faulty ignition key switch
A short to ground in the wire
Faulty combination light
switch
An open in the wire
Faulty combination light
switch
A short to ground in the wire
Faulty combination light
switch
An open in the wire
Faulty combination light
switch
A short to ground in the wire
Faulty combination light
switch
An open in the wire
Faulty combination light
switch
A short to ground in the wire
Faulty combination light
switch
An open in the wire
Faulty combination light
switch
A short to ground in the wire
Faulty combination light
switch
An open in the wire
Faulty combination light
switch
A short to ground in the wire