How to Follow Test Groups In Trouble Diagnosis

1. Work and diagnostic procedure
Start to diagnose a problem using procedures indicated in enclosed test groups.
2. Questions and required results.
Questions and required results are indicated in bold type in test group.
The meaning of are as follows:
a. Battery voltage -> 11 - 14V or approximately 12V
b. Voltage: Approximately 0 V -> Less than 1 V
3. Symbol used in illustration
Symbols included in illustrations refer to measurements or procedures. Before diagnosing a problem, familiarize yourself with each symbol. Refer to "CONNECTOR SYMBOLS" and "Key to Symbols Signifying Measurements or Procedures".
4. Action items
Next action for each test group is indicated based on result of each question. Test group number is shown in the left upper portion of each test group.