Checking the control module's powersupply and ground connection
Symptom: Alternative I: TCS OFF lamp on, TCS inoperative.Alternative II: TCS OFF lamp and TCS lamp both fail to light up when ignition turned ON.Alternative III: Malfunctioning.
Checking the control module's power supply and ground connection |
Fault symptom
Alternative I: TCS OFF lamp on, TCS inoperative.Alternative II: TCS OFF lamp and TCS lamp both fail to light up when ignition turned ON.
Alternative III: Malfunctioning.
Diagnostic procedure
When a BOB is connected in conjunction with fault diagnosis, the voltage supply and ground connections should always be checked first, as follows:Ignition switch in Drive position
1. |
Battery positive - pin 32 <0.5
V
|
2. |
Battery positive - pin 28 <0.5 V
|
3. |
Pin 30 - Battery negative <0.1 V
|
4. |
Pin 13 - Battery negative <0.1 V
|