Inspection
caution
●

The vehicle with NHTC glow plugs (ceramic heating element, beige insulator) should be equipped with black glow plug relay unit.

●

The vehicle with AQGS glow plugs (metal coil heating element, black insulator) should be equipped with gray glow lug relay unit.

1.

Remove the glow plug relay after disconnecting it from wire harness.

2.

Check open / short at each point of the glow plug relay by using multi meter (1MΩ range).

(1)

Check open / short between terminals 87 and 31.

State

Open / short criteria

Remedy

Short /

Open

Out the range of 350kΩ ± 30%

Change the glow plug relay

Not Short / Open

In the range of 350kΩ ± 30%

Go to next step

(2)

Check open / short between terminals G and 30.

A.

Connect (+) rod to 30 terminal and (-) rod to G terminal.

State

Open / short criteria

Remedy

Short /

Open

Out the range of 100kΩ ± 30%

Change the glow plug relay

Not Short / Open

In the range of 100kΩ ± 30%

Go to next step

B.

Connect (+) rod to G terminal and (-) rod to 30 terminal.

State

Open / short criteria

Remedy

Short /

Open

Out the range of 100kΩ ± 30%

Change the glow plug relay

Not Short / Open

In the range of 100kΩ ± 30%

o.k

3.

Install the glow plug relay and then connect wiring harness to it.

Яндекс.Метрика