Display: < 5 ohms
6. Connect voltmeter to connector B-5 and ground. Switch on ignition.
Display: 0 Volts
If approx. 5 Volts is displayed, check the wiring for pinching and chafing.
Short to Ground
1. Pull off connector B on the heating/air conditioning control.
2. Connect ohmmeter to connector B-5 and ground.
Display: infinity
If 0 - 5 ohms is displayed, check the wiring for pinching and chafing.
Test Point 5
TEST POINT 5
Supply Voltage (Terminal 15) Voltage Too High, Voltage Too Low
DTC 24
Diagnosis Conditions
- No control module fault stored.
Voltage Too High
1. Check the generator.
Voltage Too Low
1. Check the generator.
2. Check or charge the battery.
3. Check contact resistance of wire connections.
Test Point 6
TEST POINT 6
Supply Voltage (5 Volt) Voltage Too High, Voltage Too Low
DTC 25
Diagnosis Conditions
- No control module fault stored.
Voltage Too High
1. Pull off connector C on the heating/air conditioning control.
2. Connect voltmeter to C 8 and ground. Switch on ignition.
Display: 0 Volts
If battery positive voltage is displayed, check wiring harness for pinching and chafing.
3. Push on connector C.
4. Connect voltmeter to C 8 and ground. Switch on ignition.
Display: 5 锟斤拷 0.5 Volts
If more than 5.5 Volts is displayed, replace the heating/air cond. control.