Pajero II Workshop Manual 1991 · Система пассивной безопасности (SRS) · страница 10 из 47 · Открыть оригинал PDF ↗

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52B-10

Code No. 21 or22Air bag module (squib) system

[Comment]

(1) These diagnosis codesare output if there is abnormal resistance between the input terminals of
the SDUair bag module (squibi.
Thetrouble causes for each code No. are as tollows

Code No.Trouble Symptom
Shont inairbagmodule (squiblharness short
Short in clock spring
Short inhagmodule (squib) or front impact sensor harnessesleadingto the
power supply
Open circuit Inbag module (squiblor open harness
Open circuit in clockpring
22Malfunctionconnector contaci
Short in air bag module (squib) or front impact sensor harnesses leading to thc
power supply

Probable cause

Malfunction of clock spring
Malfunction of harnesses Or con-
nectors
Maltunction ofairbagmodule
(squibl
Malfunction of SDU

Diagrosis codes 21 and 22 arc somctimes generated in combination with ralfunction codes
relatingthe front impact scnsor (code Nos12 and 131,butsometimes onlyone
may be output instead of both being memorised,Becausc of thistne front impact sensor
should also be inspectedat thesametIme
The relationships between the codesare as follows

Таблица в оригинале

Распознанный текст таблицы — требует сверки с оригиналом

		Snort	Front Impact senso Open circuit sensori	r Open circuit sensorst
Air bag module (squib)	Short	Or 21	12 or 21	13 or 21
	Open circuit	0i 22	12 0r 22	13 0r 22

Turn the ignitionkeyto theLOCKposition, disconnect
the negative battery cable and tape the terminal:
Caution

Wait at least 60 seconds after disconnecting the bat-
tery cable before doing any further work (Refer to
P 52B-4)

Remove the floor console assembly. (Refer to GROUP
52AFloor Console 5E

Place a flat-tipped (~) screwdriver against the lock spring
(metal portion) of the SDU connector lock lever; and push
the spring horizontally toward the inside of the unit

Caution

Do not use excessive force to raise the lock lever

(green)_

Do not insert the screwdriver into the gap between
the lock lever (green) and the lock spring (metal
portion).

Disconnect the red14-pin connector from the SDU.
PWJE9086-€

ADDED

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