A/C System, Electrical Testing

A/C System, Electrical Testing

NOTE:
- Vehicles 1997 > .
- VAG1598 test box must not be connected to -E87- when performing On Board Diagnostic with VAG1551 Scan Tool (ST)

Test equipment required







- VAG1598 test box with adapter cables VAG1598/11, VAG1598/12 and VAG1594 adapter set
- Fluke 83 multimeter (US 1119) or equivalent
- US 1115 LED tester
- Thermometer

Requirements
- Battery Positive Voltage (B+) OK
- Ground (GND) connections on engine and transmission OK
- Fuse No. 42 (S42), 51 (S51), 225 (S225) and 15 (S15) OK

CAUTION: Switch multimeter to the appropriate measuring range before connecting the test leads to avoid damaging electronic components.