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Symptom Possible cause Repair order
No parking, license and tail lamps
operate, but headlamps do oper-
ate.
1. 10A fuse
2. Tail lamp relay
3. Tail lamp relay circuit
4. Lighting switch
5. Lighting switch circuit
6. Smart entrance control unit
1. Check 10A fuse (No. 61, located in fusible and fuse
block). Verify battery positive voltage is present at
terminals 1 and 3 of tail lamp relay.
2. Check tail lamp relay.
3. Check the following.
a. Harness between smart entrance control unit termi-
nals 19 and 57 and tail lamp relay terminal 2
b. Harness between tail lamp relay terminal 5 and fuse
block.
4. Check lighting switch.
5. Check the following.
a. Harness between lighting switch terminal 11 and
smart entrance control unit terminals 20 and 58.
b. Harness between lighting switch terminal 5 and
ground.
6. Check smart entrance control unit. (EL-378)
Exterior lamp battery saver control
does not operate properly.
1. Driver, passenger or rear door
switch circuit
2. Smart entrance control unit
1. Check the following.
a. Harness between smart entrance control unit and
driver, passenger or rear door switch for open or
short circuit.
b. Driver passenger or rear door switch ground circuit.
c. Driver, passenger or rear door switch.
2. Check smart entrance control unit. (EL-378)
Auto light malfunctioning — Refer to trouble diagnosis in “HEADLAMP”. (EL-40)
PARKING, LICENSE AND TAIL LAMPS
Trouble Diagnoses (Cont’d)
EL-70
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