Mazda 1996 626, Руководство по обслуживанию

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EXTERIOR LIGHTING SYSTEM
Flowchart No.1 Symptom TNS do not illuminate
Possible cause
• Burnt TAIL 15A fuse
• Damaged TNS relay
• Damaged combination switch
• Open or short circuit in wiring harness
• Poor connection of connector
Step 1
Check TAIL 15A fuse in the main fuse block.
Fuse
Action
OK
Go to Step 2
Burnt
Replace fuse after checking and repairing
wiring harness
c
A
D B
Step 2
1. Remove the TNS relay.
2. Measure the voltage at terminals A (W/L) and C (W/L)
of the TNS relay connector.
B+: Battery positive voltage
Voltage Action
B+ Go to Step 3
Other Repair wiring harness
(TAIL 15A fuse— TNS relay)
C A C A
*
M K
X
E C
*
*
N L J H
F
D *
Step 3
1. Apply battery positive voltage and check for continuity
between the TNS relay terminals.
0 - 0 : Continuity B+: Battery positive voltage
T e rm in a l
Step
A
B
C
D
1
o
-------
------ o
2 B+
GND
o
—
---
o
2. If correct, install the TNS relay and go to Step 4.
3. If not as specified, replace the TNS relay.
Step 4
1. Remove the column cover.
(Refer to the 1996 626/MX-6 Workshop Manual, section S.)
2. Measure the voltage at terminal C (LG) of the combina­
tion switch connector.
B+: Battery positive voltage
Voltage
Action
B+
Go to Step 5
Other Repair wiring harness
(TNS relay— Combination switch)
E—40