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ECWW, Checking Program Test Step 10 > < ECWW, Checking Program Test Step 8

ECWW, Checking Program

 

 

 

Test

Test Equipment

Check

Notes

Nominal

Step

Multimeter

 

 

 

Value

 

 

MKM-587-A

of

between

 

 

 

 

 

 

 

 

 

 

 

9

Ohmmeter, range 200 W

Connections to ECWW switch S40 (rear right door)

S40/
Ter. 1 (GRGN)

6-pin Ter. 4 (GRGN)

·   Remove rear right door ECWW switch S40

 

 

·   Remove switch S37

 

 

approx.

0 W

 

 

 

 

S40/ Ter. 9 (BLRT)

6-pin/ Ter. 3 (BLRT)

 

 

·   Measurement between switch S37.4 and switch S40

 

approx.

0 W

 

 

 

 

S40/ Ter. 7 (WS)

9-pin/ Ter. 5 (WS)

·   Measurement between child safety switch S37.5 and switch S40

 

 

approx.

0 W

 

 

 

 

S40/ Ter. 3 (BR)

 

Ground

 

·   Measurement between switch S40 and body ground

 

approx.

0 W

 

 

Possible Faults:

 

(If nominal value is not attained)

 

 

·   Interruption in console wiring harness between rear right ECWW switch S37.4 and 6-pin console wiring harness plug.

·   Interruption in console wiring harness between child safety switch S37.5 and 9-pin console wiring harness plug.

·   6-pin console wiring harness plug detached.

·   9-pin console wiring harness plug detached.

·   Interruption in body wiring harness between 9-pin console wiring harness plug and rear right door wiring harness plug X14.

·   Rear right door wiring harness plug X14 detached.

·   Interruption in rear right door wiring harness between wiring harness plug X14 and rear right door ECWW switch wiring harness plug S40.

·   Interruption in rear right door wiring harness between body ground and rear right door wiring harness plug X14/Ter. 4.

·   Ground connection corroded.

 

 

 

 

 

ECWW, Checking Program Test Step 10 > < ECWW, Checking Program Test Step 8