B1427
Symptom: Messages sent to the SID unit for initiating the ignition key warning and the direction indicator TICK TACK sound, etc. have been lost.
B1427 |
Fault symptom
Messages sent to the SID unit for initiating the ignition key warning and the direction indicator TICK TACK sound, etc. have been lost.Diagnostic procedure
1. |
Connect a BOB to the
ICE module and another BOB to the SID unit. Check the wiring between pin 37 of the ICE
module connector and pin 8 of the SID unit's connector for shorting to battery positive.
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2. |
Connect the ICE control module and ground pin 8 of the SID unit. Select "ACT.
INSTR. FUNCT" and "SID OUTPUT" and then take a voltmeter reading across pin 37 of the
ICE module connector and ground.
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3. |
If the reading obtained is 0 V with the ignition switch "ON", the fault is probably in
the SID unit which should then be changed. If the reading obtained is not 0 V, proceed to
.
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