On-vehicle inspection
1. Inspect starter relay

(a) Using an ohmmeter, measure the resistance between each terminal.
Standard resistance 
If the result is not as specified, replace the starter relay assembly.
Installation
Ignition switchTransfer
SST
RECOMMENDED TOOLS
EQUIPMENT
LUBRICANT
SSM
...
Steering Pad Switch Circuit
DESCRIPTION
This circuit sends an operation signal from the steering pad switch to the
radio receiver.
If there is an open in the circuit, the navigation system cannot be operated
using the steering pad switch.
If there is a short in the circuit, the resulting condition is the same as if ...
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
Reference: waveform 1
HINT:
Terminal: CBZ - E, BBZ - E, Z- - Body ground
Gauge set: 2 ...