toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 3173 > < Initial Inspection and Diagnostic Overview|Page 3171
Page 2
background image

1. CHECK CAN BUS WIRE FOR DISCONNECTION (AIR CONDITIONING AMPLIFIER BRANCH WIRE)

(a) Turn the ignition switch off.

(b) Disconnect the connector of the air conditioning amplifier.

Text in Illustration

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (AIR CONDITIONING AMPLIFIER BRANCH
WIRE)
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)

(a) Turn the ignition switch to ON.

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Text in Illustration

Initial Inspection and Diagnostic Overview|Page 3173 > < Initial Inspection and Diagnostic Overview|Page 3171