Sentra XE L4-1597cc 1.6L DOHC MFI (GA16DE) (1997)
Control Module HVAC: Testing and Inspection
Thermo Control Amp. Check
Thermo Control Amp. Check
Thermo Control Amp. Check
Check power supply circuit for thermo control amp. with ignition switch ON.
1. Disconnect thermo control amp. harness connector.
2. Connect voltmeter from harness side.
3. Measure voltage across terminal (1) and body ground.
Thermo Control Amp. Check
Thermo Control Amp. Check
Turn ignition, A/C and fan switches ON. Check body ground circuit for thermo control amp.
1. Disconnect thermo control amp. harness connector.
2. Connect ohmmeter from harness side.
3. Check for continuity between terminal (2) and body ground.