Component Testing: Computer
Raise and support vehicle. Remove glove box or console. DO NOT disconnect computer connector. Start engine. Using a voltmeter, check computer voltage as indicated in COMPUTER VOLTAGE SPECIFICATIONS table. See Fig 1. If voltage is not as specified, replace computer.
COMPUTER VOLTAGE SPECIFICATIONS
| Test Between | Vehicle Speed - MPH (km/h) | Volts | |||
|---|---|---|---|---|---|
| SOL (-) & Ground | |||||
| Cressida | 37 (60) | .12-.24 | |||
| Pickup, 4Runner & Supra | 31 (50) | .09-.23 | |||
| SOL (+) & SOL (-) | |||||
| Cressida, Pickup & 4Runner | (1) | 0-.05 | |||
| Supra | (1) | .32-.44 | |||
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