Terminals of ECU

1. CLEARANCE WARNING ECU

*1: with Front Clearance Sonar

2. AIR CONDITIONER AMPLIFIER ASSEMBLY

*1: with Front Clearance Sonar
*2: Manual A/C
*3: Auto A/C

1. Reference: waveform 1

HINT:

• Terminal: CBZ - E, BBZ - E, Z- - Body ground
• Gauge set: 2 V/DIV., 500 μs/DIV.
• Condition: When the clearance sonar is detecting an object.

2. Reference: waveform 2

HINT:

• Terminal: S5 - E, S6 - E
• Gauge set: 2 V/DIV., 100 μs/DIV.
• Condition: When the back sonar is not detecting an object

3. Reference: waveform 3

HINT:

• Terminal: S3 - E, S1 - E, S4 - E, S2 - E
• Gauge set: 2 V/DIV., 100 μs/DIV.
• Condition: When the clearance sonar is not detecting an object.