Description

First of all check damage of harness and terminals : Check terminals for contact resistance, corrosion and deformation.

Diagnostic Procedure
Glow relay circuit inspection
Glow relay inspection (Fusible link box side)
1.

IG KEY "OFF", ENGINE "OFF"

2.

Remove the glow relay.

3.

Measure the voltage of the glow relay terminal. (DSL box side)

Symptom

Inspection procedure

Case1

● In case that battery voltage is not supplied at terminal '1'.

● Repair "Fusible link" blown on the fusible link box.

● Repair open in glow relay coil power circuit.

Case2

● In case that battery voltage is not supplied at terminal '3'.

● Repair "Fuse" blown on the E/R junction box.

● Repair open in glow relay coil power circuit.

Case3

● In case that 3.5 V is not supplied on the terminal '2' at IG KEY 'ON'.

● Repair open in glow relay control circuit.

Glow plug power circuit inspection (Fusible link box side)
4.

IG KEY "OFF", ENGINE "OFF"

5.

Remove the glow relay.

6.

Before measuring resistance, you must calibrate(0Ω) the tester.

note

Refer to "Multimeter calibration" of detail inspections (Equipment settings).

7.

Measure the resistance between glow relay terminal '4' and chassis ground.

■ Specification : Below 1.0 Ω ( 20℃ ) (resistance can be changed by glow plug temperature)

Symptom

Inspection procedure

Case1

● In case that the resistance between glow relay terminal '4' and chassis ground is normal.

● Go to "Glow plug relay inspection" procedure.

Case2

● In case that there is no continuity between glow relay connector terminal '4' and chassis ground.

● Repair open in glow relay power circuit.

● If glow plug circuit is normal, glow plugs (4EA) are open.

☞ Go to "Glow plug inspection" procedure.

Case3

● In case that there is high resistance between glow relay connector terminal '4' and chassis ground.

● Go to "Glow plug current inspection" or "Glow plug inspection" procedure.

Яндекс.Метрика