Main Power Supply and Ground Circuit Check
POWER SUPPLY CIRCUIT CHECK FOR AUTO A/C SYSTEMCheck power supply circuit for auto air conditioner system.
Auto Amp. Check:
Auto Amp. Check:
AUTO AMP. CHECK
Check power supply circuit for auto amp. with ignition switch ON.
1. Disconnect auto amp. harness connector.
2. Connect voltmeter from harness side.
3. Measure voltage across terminal No. (11), (12), (16) and body ground.
Auto Amp. Check:
Auto Amp. Check:
Auto Amp. Check:
Check body ground circuit for auto amp. with ignition switch OFF.
1. Disconnect auto amp. harness connector.
2. Connect ohmmeter from harness side.
3. Check for continuity between terminal No. (20), (28) and body ground.