Memory Switch Test
Remove memory switch. See MEMORY SWITCH under REMOVAL & INSTALLATION. Using a DVOM, check memory switch resistance. See MEMORY SWITCH RESISTANCE table. Replace switch as necessary and recheck system operation. If switch is okay, use scan tool to test memory system communications. See BODY CONTROL MODULES - GRAND CHEROKEE article.
MEMORY SWITCH RESISTANCE
| Switch Position | Terminals No. | Ohms | ||||
|---|---|---|---|---|---|---|
| Neutral | (1) 1 & 4 | 14,000 | ||||
| Memory 1 | (2) 1 & 2 | 4600 | ||||
| Memory 2 | (2) 1 & 2 | 1700 | ||||
| Set | (2) 1 & 2 | 300 | ||||
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